Preheat oven to 350° F. Line a baking sheet with a silicone baking mat or a parchment paper.
Place the Biscoff cookie butter, peanut butter, pinch of salt, sugar, and eggs in a large mixing bowl.
1 cup peanut butter, 1 cup Biscoff cookie butter, 2 large eggs, 3/4 cup granulated sugar, pinch of salt
Use a mixer at a medium speed setting to stir the ingredients until they’re well combined and smooth.
With a small cookie scoop or a tablespoon scoop out portions of the dough and place them on the prepared baking sheet, leaving about 2 inches of space between each.
Gently flatten each scooped dough with the back of the spoon or your fingers.
Take the halved pretzels and gently press each one into the top sides of each cookie to make them look like reindeer antlers.
8-10 pretzels
Place the reindeer cookies in the preheated oven and bake for 8-10 minutes. Keep a close eye on them to ensure the cookies do not overbake. They should still be soft when removed from the oven.
While the cookies are still warm, press a red M&M into the center to create the reindeer nose.
24 red M&Ms
Add two mini chocolate chips above the red nose to create the eyes.
48 mini chocolate chips
Allow the Christmas reindeer cookies to cool on the baking sheet for about 5 minutes before transferring them to a wire rack to cool completely.
Once cooled, serve them and enjoy!