1-First step: prep the ingredients Set out all ingredients before you begin. Let the butter and eggs come to room temperature so they mix smoothly. If you need to speed things up, slice the butter into small pieces and place the eggs in a bowl of warm water for a few minutes. This small step helps the dough blend better and gives the cookies a softer texture.

2-Second step: cream the butter and sugars In a large bowl, beat together 1 cup unsalted butter, 1/2 cup granulated sugar, and 3/4 cup brown sugar until the mixture looks light and fluffy. This usually takes a few minutes with a hand mixer or stand mixer. The goal is to add air into the dough, which helps the cookies bake with a tender center. Scrape the bowl once or twice so everything mixes evenly.

3-Third step: add the eggs and extracts Add 2 large eggs, 1 1/2 teaspoons vanilla extract, and 1/2 teaspoon almond extract. Beat again until the mixture looks light and fluffy. The almond extract gives the cookies that classic birthday cake flavor, while the vanilla keeps the flavor round and sweet. If you want to learn more about eggs in baking, the Iowa Egg board has a helpful article at egg nutrition and baking basics.

4-Fourth step: mix the dry ingredients In a separate bowl, whisk together 2 3/4 cups all-purpose flour, 3/4 teaspoon salt, and 3/4 teaspoon baking soda. Mixing the dry ingredients first helps the leavening distribute evenly, which means better texture in every cookie. Use the spoon-and-level method or a kitchen scale for the flour so you do not pack in too much.

5-Fifth step: combine wet and dry ingredients Stir the flour mixture into the butter mixture until just combined. Stop as soon as the flour disappears into the dough. Overmixing can make the cookies tough, and this recipe works best when the dough stays soft and tender. The dough will look thick at this stage, which is exactly what you want.

6-Sixth step: fold in the mix-ins Add 12 ounces white chocolate chips and 1/2 cup rainbow sprinkles. Stir gently until just combined. The sprinkles should stay bright and scattered through the dough, not broken into tiny streaks. If you are pairing this recipe with another sweet tray bake for a party, Lucky Charm marshmallow treats are a fun companion because they also travel well and look festive.

7-Seventh step: chill the dough Cover the bowl and chill the dough for at least 1 hour. The resting time firms up the butter, melds the flavor, and helps the cookies hold their shape in the oven. This step matters a lot. If you skip it, the cookies can spread too much and bake thinner than you want.

8-Eighth step: portion and bake Preheat the oven to 350°F and line a baking sheet with parchment paper. Scoop the dough into 1.5-tablespoon balls and place them 2 inches apart. Bake for 10 to 12 minutes, or until the edges are lightly browned. The centers may still look a little soft, and that is fine. They finish setting as they cool.

9-Ninth step: cool and serve Let the cookies cool on the baking sheet for a few minutes, then move them to a wire rack. This helps them set without overbaking. Once cooled, the cookies are soft, colorful, and ready for a party tray or lunchbox snack. They are especially nice for birthday tables because they look cheerful right away.