4 Layer Peanut Butter Cheesecake Brownies

INGREDIENTS

3/4 cup

unsalted butter

package (about 11 ounces) bittersweet/dark or semi-sweet chocolate chips

1/2 cup

light brown sugar, packed

3/4 cup

granulated sugar, divided

large eggs, divided

2 tsp

vanilla extract, divided

3/4 cup

+ 1 tablespoon all purpose flour

1/4 cup

unsweetened cocoa powder

1/4 tsp

kosher salt

2 8 ounce packages

cream cheese, room temperature

1/3 cup

creamy peanut butter

2 tbsp

sour cream or plain greek yogurt