Chocolate Ganache Chocolate Cookies

INGREDIENTS

1/2 cup

unsalted butter, softened (1 stick)

1/2 cup

granulated sugar

1/2 cup

light brown sugar, packed

large egg

1 1/2 tsp

vanilla extract

2 tbsp

cream or half-and-half

1 1/4 cups

all-purpose flour

heaping 1/2 cup (almost 2/3 cup) unsweetened natural cocoa powder

1 tsp

baking soda

1/4 tsp

salt, or to taste

2 cups

semi-sweet chocolate chips

1 1/3 cups

semi-sweet chocolate chips (about 8 ounces)

1/2 cup

cream or half-and-half (do not use regular or whole milk, it doesn’t have enough fat and ganache won’t set up)

about 1/2 cup sprinkles, or as necessary