Rice Krispie & Peanut Butter Cup Brownies

INGREDIENTS

3/4 cup

unsalted butter

1 3/4 cups

semisweet chocolate chips, divided

1 1/2 cups

granulated sugar

1/2 cup

light brown sugar, packed

1/2 tsp

instant espresso powder or 2 tablespoons brewed coffee (optional)

1 1/2 tsp

vanilla extract

large eggs

1 cup

all-purpose flour

full-sized peanut butter cups, chopped, or 1 cup mini peanut butter cups

1 1/2 cups

semisweet chocolate chips

1 1/2 cups

creamy peanut butter

1 tbsp

butter

1 1/2 cups

crisp rice cereal