Easy Brownie Cheesecake Bites

Preheat oven to 325 degrees F. Prepare 2 large mini muffin pans by generously spraying with nonstick spray. (*Recipe yields 36 brownie bites; if you do not have enough muffin cups to bake all the batter at once, you may also bake this in batches.*)Prepare brownie batter as directed on brownie mix box. Set aside.In a separate bowl, using a handheld mixer, beat together Cream Cheese, Egg Yolk, and Sugar on medium/high speed until very creamy, about 2-3 minutes.Spoon Cream Cheese Mixture into a sandwich bag (ziplock), and make a tiny hole by snipping off one bottom corner of the bag with scissors.Fill each mini muffin cup half full with brownie batter (about 1 Tablespoon). Squeeze (pipe) about 1 teaspoon of cream cheese mixture over each brownie batter base. Using a toothpick, swirl the cream cheese slightly over the top.Bake brownies for about 16-18 minutes, until a toothpick inserted in the center comes out with a few moist crumbs attached.Allow brownies to cool in the pan for 5-8 minutes, before transferring to a wire rack to cool completely.Store brownie bites in a tightly sealed container in the refrigerator for up to 1 week. Brownie Bites freeze well in a ziplock freezer bag, in the freezer, for up to 3 months.Makes 36 Brownie Cheesecake Bites.