1-First Step: Prep your workspace and preheat oven. Set oven to 350°F and line two baking sheets with parchment paper or silicone mats. This prevents sticking and ensures even baking. Measure all ingredients ahead for smooth sailing, especially if baking with kids or for a potluck rush. Softening butter takes about 30 minutes at room temp, or microwave in 10-second bursts.

2-Second Step: Cream the butter and sugar. In a large bowl or stand mixer, beat 1 cup softened butter with 1 ½ cups sugar on medium speed for 2-3 minutes until light and fluffy. Scrape sides often. This incorporates air for tender cookies. If butter is too cold, it won’t cream properly, leading to dense results.

3-Third Step: Add wet ingredients. Beat in 2 eggs one at a time, then mix in ½ cup eggnog, 1 tsp vanilla, and 1 tsp rum extract. Batter may look curdled, but that’s normal. Eggnog’s creaminess shines here, promising moist holiday cookies. Pause to taste; adjust rum extract slightly if needed for bolder flavor.

4-Fourth Step: Combine dry ingredients. In a separate bowl, whisk 3 cups flour, 2 tsp cream of tartar, 1 tsp baking soda, ½ tsp salt, and ½ tsp nutmeg. Gradually add to wet mixture on low speed until just combined. Overmixing toughens cookies, so stop when no flour streaks remain. Dough will be soft and sticky.

5-Fifth Step: Chill dough. Cover bowl and refrigerate 30-60 minutes. Chilling firms the butter, preventing spread for thicker, chewier cookies. Perfect for busy schedules; prep dough night before gatherings.

6-Sixth Step: Prepare rolling mixture. Mix ¼ cup sugar and 2 tsp cinnamon in a shallow bowl. This coating gives the iconic sparkly, crackly tops on your eggnog cookies.

7-Seventh Step: Shape the cookies. Scoop 1.5-inch dough balls (about 2 tbsp each) using a cookie scoop. Roll firmly between palms, then coat in cinnamon-sugar. Place 2 inches apart on sheets. Press lightly for even height.

8-Eighth Step: Bake to perfection. Bake one sheet at a time in middle rack for 10-12 minutes. Edges set but centers stay soft. Cookies puff then crackle as they cool. Rotate sheets halfway if oven uneven. Yields 36 cookies.

9-Final Step: Cool and serve. Cool on sheets 5 minutes, then transfer to wire racks. Enjoy warm or store for potlucks. Pair with coffee at picnics. For extra flair, drizzle melted white chocolate. These chewy holiday snickerdoodles impress at every event.