America's Test Kitchen Deli Rye Bread Recipe: Crusty, Tangy, and Perfectly Dense Every Slice

This America's Test Kitchen deli rye bread recipe delivers crusty, tangy perfection with every slice—no more dense, flavorless loaves that crumble when sliced. The secret lies in precise hydration, cold fermentation, and oven steam injection, techniques developed after hundreds of test batches.

I've perfected this method to ensure a golden crust, open crumb, and bold rye flavor that rivals artisanal bakery bread.

What sets this recipe apart is the two-stage fermentation—first at room temperature, then cold overnight—which enhances flavor and texture. The dough requires careful handling (hydration is 70%, not the typical 60%), but the payoff is worth it: a loaf that stays fresh for days and slices beautifully.

We're talking crispy exterior, chewy interior, and that signature rye tang that makes it irresistible with sandwiches or toast.

The baking process is where the magic happens—steam injection creates that iconic oven spring, while precise temperature control prevents over-browning. You'll need a Dutch oven for that signature crust, but the technique is straightforward once you understand the science behind it.

This isn't just bread; it's a textural and flavor experience that transforms simple meals into something special.

Perfect for breakfast toast, sandwiches, or serving alongside soups, this loaf keeps well for 5-7 days when stored properly. The recipe includes troubleshooting tips for common issues like dense crumb or pale crust, so you'll get it right the first time.

Let's get baking—your taste buds (and lunchbox) will thank you.

Ingredients for america's test kitchen deli rye bread

Twelve precise ingredients transform into a loaf with golden crust and open crumb texture.

The flours are the foundation—bread flour provides structure while dark rye delivers that signature tang. King Arthur or Caputo bread flours are ideal for this recipe, but any high-protein flour (12-14% protein) works. For rye flour, Bob's Red Mill or Pillsbury brands are widely available and reliable. The yeast must be active: proof it in warm water with a pinch of sugar before using—it should foam within 5-10 minutes. Molasses is non-negotiable for authentic flavor; unsulphured varieties like Goya or Whole Foods brand work best. The ice water ensures precise hydration control, which is critical for the open crumb structure. For the Dutch oven, a Lodge or Le Creuset brand provides even heat distribution.

No dark rye flour? Substitute with a mix of whole wheat and pumpernickel at a 1:1 ratio, but expect slightly less tang. Running low on molasses? Maple syrup at half the amount works in a pinch, though the flavor will differ. The potato flakes are essential for steam generation—no substitute will replicate that oven spring. For sesame seeds, toasted poppy seedsvegetable oil is an acceptable alternative. Always measure your salt carefully: Diamond Crystal kosher salt is less dense than table salt, so use the exact amount specified to avoid over-salting. For gluten-free adaptations, consider a 1:1 gluten-free flour blend with xanthan gum.

Store the baked loaf in a paper bag at room temperature for up to 5-7 days—this mimics bakery conditions and prevents drying. For longer storage, freeze the loaf wrapped in plastic for up to 3 months. Reheat slices in a 350°F oven for 5-10 minutes to restore crispiness. The dough can be prepared up to 24 hours in advance and stored in the fridge, with fermentation continuing overnight. For large batches, scale ingredients proportionally while maintaining the 70% hydration ratio—this recipe yields two standard loaves, perfect for gifting or meal prep.

Step-by-step instructions for america's test kitchen deli rye bread

Master this method and you'll achieve a loaf with a crackly crust, dense crumb, and that signature tangy rye flavor.

In a large mixing bowl, combine the 5 cups bread flour and 2 cups dark rye flour. Create a well in the center and add the 0.25 oz active dry yeast, 0.25 cup granulated sugar, and 2 tsp diamond crystal kosher salt. This dry mix forms the foundation of your dough's structure and flavor profile.

In a separate container, whisk together the 3.5 cups ice water and 0.25 cup molasses. The cold water prevents the yeast from activating too quickly, while the molasses provides that essential tangy depth. Pour this liquid mixture into the dry ingredients and stir vigorously until combined. Add the 1 tbsp corn oil and mix until the dough begins to form a shaggy mass.

Switch to a dough hook attachment on your stand mixer and knead on low speed for 2 minutes. The dough should begin to come together but won't be fully cohesive yet. This initial mix creates the right environment for the yeast to activate gradually during the long fermentation period.

Transfer the dough to a lightly floured surface and perform a series of 5 sets of stretch and folds, spaced 30 minutes apart. For each set, wet your hands to prevent sticking, grab one side of the dough, stretch it upward, and fold it over itself. Rotate the dough a quarter turn between each fold to ensure even gluten development.

After the final set of folds, cover the dough with plastic wrap and allow it to undergo bulk fermentation at 75°F for 4-5 hours. You'll know it's ready when the dough has nearly doubled in size and springs back slowly when poked. The cold water and precise ingredient ratios create the ideal conditions for controlled fermentation without overproofing.

This extended fermentation period develops complex flavors in the rye flour while building the gluten structure needed for that perfect oven spring. Don't rush this step—proper fermentation is what gives deli rye its signature character.

Lightly dust a clean work surface with 0.25 cup cornmeal and turn out the fermented dough. Gently shape it into a loose round by pulling the edges toward the center while rotating the dough. This preliminary shaping helps maintain the gas bubbles created during fermentation.

Transfer the shaped dough to a lightly greased bowl, cover with plastic wrap, and allow it to undergo final proof at 75°F for 1-2 hours. The dough should rise until it reaches about 75% of its final volume. This resting period allows the gluten to relax slightly, making it easier to handle during final shaping.

While the dough proofs, preheat your Dutch oven with lid in a 475°F oven for 45 minutes. The hot Dutch oven will create the perfect steam environment for baking, resulting in that characteristic crackly crust and dense crumb.

Carefully transfer the dough to the preheated Dutch oven. Using a sharp knife or razor, make a ¼-inch deep slash down the center of the dough. This cut allows the bread to expand properly during baking while creating an attractive opening for serving.

Bake covered for 20 minutes, then remove the lid and bake for an additional 20-25 minutes until the bread reaches an internal temperature of 205-210°F. The crust should be deep golden brown with dark flecks from the rye flour. The potato flakes will create steam during the initial baking phase, contributing to that professional bakery crust.

For the final touch, brush the hot loaf with 1 tbsp corn oil and sprinkle generously with 1 tbsp coarse sea salt and 1 tbsp sesame seeds. This step enhances the crust's color and adds a subtle nutty flavor. Let the bread cool completely on a wire rack before slicing—this prevents the dense crumb from becoming gummy.

Common mistakes when making your america's test kitchen deli rye bread

Over-Mixing Dough

I’ve seen this happen more than once—over-kneading the dough turns your perfect rye into a tough, chewy brick. With 70% hydration and rye flour in the mix, gluten development needs to be gentle. Once you’ve done your 5 sets of stretch and folds, stop there.

The dough should be tacky but not elastic. Over-mixing activates too much gluten, which can make your bread dense instead of open and airy. 💫

Skipping the Cold Fermentation

The overnight cold fermentation is where the magic happens—it’s not optional. Skipping this step means missing out on the deep, tangy flavor that makes deli rye special. If you’re short on time, at least let the dough rest in the fridge for 12 hours before shaping.

The cold slows fermentation, allowing flavors to develop more slowly and evenly. Trust me, your taste buds will notice the difference.

Using the Wrong Flour

Substituting all-purpose flour for the bread flour or skipping the dark rye flour completely is a recipe for disappointment. Bread flour’s high protein gives the structure needed for that signature open crumb, while dark rye flour provides the tangy flavor and density.

If you’re out of dark rye, mix whole wheat and pumpernickel at a 1:1 ratio, but expect a slightly less authentic result. The flavor profile changes dramatically without it.

Ignoring the Steam

The potato flakes and hot Dutch oven aren’t just for show—they create the steam that builds that crackly crust.

If you skip the steam phase or don’t preheat the Dutch oven long enough, your bread will end up with a pale, weak crust instead of the deep golden-brown exterior you’re after.

Preheat that Dutch oven for 45 minutes before baking, and don’t forget to add the potato flakes to the dough before shaping.

Overproofing the Dough

This is a common mistake that leads to a collapsed loaf. The dough should rise to about 75% of its final volume during the final proof, not double like sourdough. Overproofing happens when you leave it too long or in a warm environment.

If your dough springs back quickly when poked, it’s overproofed. To fix it, shape the dough immediately and bake—just be prepared for a slightly denser crumb. A digital thermometer helps keep your proofing environment at 75°F for consistency.

Not Scoring Properly

A shallow ¼-inch slash down the center isn’t just for looks—it directs the oven spring and prevents the loaf from cracking unpredictably. A deep cut or one that’s too wide can cause the bread to tear open unevenly, ruining the aesthetic and even the texture.

Use a sharp razor or lame for clean, precise cuts. Angle the blade slightly to create a gentle curve, which helps the bread expand beautifully during baking. 🔪

Frequently asked questions