Can I make these cookies without brewer’s yeast?

You can. The cookies will still be thick, chewy, and absolutely delicious without it. Simply omit the brewer’s yeast — no other changes needed. The flavor will be slightly sweeter and less nutty. If you’re sensitive to the taste of brewer’s yeast, you can also reduce the amount by half for a gentler flavor.

Why do I need to chill the dough? Can I bake them right away?

Chilling is what keeps these cookies tall and bakery-style. It gives the oats time to hydrate, helps the flour absorb moisture, and firms up the butter so the cookies don’t spread too much in the oven. If you’re in a hurry, a shorter chill (at least 30–60 minutes) will help, but the full two hours — or overnight — really makes a difference in texture and flavor.

Can I freeze the dough or baked cookies?

Yes, and I encourage it. Scoop the dough into tall mounds and freeze them on a sheet pan until solid, then store in a freezer bag. Bake straight from frozen, adding 1–2 minutes to the baking time. Baked cookies also freeze beautifully — wrap well and store for up to 2 months. A warm cookie on a hard day feels like a small miracle.

Can I substitute the chocolate chips or raisins?

Absolutely. These cookies are sturdy enough to handle swaps. Try chopped walnuts or pecans for crunch, dried cherries or cranberries for brightness, or dark chocolate chunks for puddles of melt. Keep the overall add-in amount roughly the same so the structure stays intact. This is a supportive cookie — it can handle a little improvisation.

Bakery-Style Chocolate Oatmeal Lactation Cookies

Description

Supportive, sturdy, bakery-case cookies. The kind you wrap in parchment and hand to a tired friend. They’re loaded with old-fashioned oats, flax, and brewer’s yeast — classic lactation-cookie ingredients — but baked tall and golden with crisp edges and soft centers, just like a proper Bakehouse cookie should be.

Ingredients

Scale

2 ¼ cups (282 grams) all-purpose flour
1 cup (110 grams) old-fashioned oats
5 tablespoons (43 grams) brewer’s yeast
3 tablespoons (23 grams) ground flax seeds
2 teaspoons baking powder
1 teaspoon baking soda
1 teaspoon ground cinnamon
1 teaspoon cornstarch
½ teaspoon salt
1 cup (226 grams) cold salted butter, cut into cubes
1 cup (200 grams) lightly packed light brown sugar
¾ cup (120 grams) granulated sugar
1 large egg
2 large egg yolks
2 teaspoons pure vanilla extract
5–6 ounces chocolate chips
½ cup raisins

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Instructions

In a medium bowl, whisk together the flour, oats, brewer’s yeast, ground flax seeds, baking powder, baking soda, cinnamon, cornstarch, and salt.
In the bowl of a stand mixer fitted with the paddle attachment, combine the cold cubed butter, brown sugar, and granulated sugar. Mix on medium-low speed until the mixture is mostly smooth and the butter is broken down into small pieces. You don’t want to cream it until fluffy — we’re blending, not whipping. No unnecessary air here. We want structure and chew. Stop and scrape down the bowl so no butter is hiding.
With the mixer on low speed, add the egg and egg yolks. Beat for about one full minute so everything comes together smoothly.
Add the vanilla and mix again briefly. Scrape down the bowl. Always scrape down the bowl. We’re thorough.
Add the dry ingredients to the butter mixture and mix on low speed until just combined. Don’t overmix — we want to keep the dough tender.
Add the chocolate chips and raisins and mix just until distributed. You should see pockets of chocolate and little jewels of raisin throughout. The dough will be thick. That’s exactly right.
Scoop the dough into tall, bakery-style mounds — about 4 ounces each. Shape them taller than they are wide. They’ll look slightly ridiculous. That’s intentional.
Place the dough balls side-by-side on a small sheet pan, cover with plastic wrap, and refrigerate for at least 2 hours (overnight is even better). Chilling gives the oats time to hydrate and keeps the cookies tall.
When ready to bake, place a rack in the upper third and middle of the oven and preheat to 350°F. Arrange chilled dough balls on parchment-lined baking sheets, giving them at least 3 inches of space. They need room. We all do.
Bake for 15–17 minutes, until the edges are golden brown and the tops are just set. The centers may look slightly soft — perfect.
Let the cookies rest on the baking sheet for a full 20–30 minutes before moving them. This is when they finish baking and settle into their chewy, oat-studded destiny.