Dark Chocolate Chunk Raspberry Muffins

INGREDIENTS

2/3 cup

granulated sugar

1/3 cup

unsweetened cocoa powder (Dutch processed), sifted

1 tbsp

baking powder

1/2 tsp

baking soda

1/2 tsp

salt

1 cup

frozen raspberries

6 tbsp

unsalted butter

4 oz

bittersweet chocolate, roughly chopped (divided roughly in half)

1 1/4 cups

buttermilk, room temperature

whole egg, room temperature

1 tsp

vanilla extract

2 oz

bittersweet chocolate, finely chopped

1/4 cup

half and half (or cream)

fresh raspberries (optional garnish)