In a medium bowl, mix the flour, cocoa powder, baking soda, baking powder, and salt. Set aside. Melt the chocolate in the microwave. Heat for 20 seconds and stir. Then, heat in 15 second intervals until melted. Mix well before heating again. Set aside.
1 3/4 cups All-purpose flour, 1/2 cup Unsweetened cocoa powder, 1/2 tsp Baking powder, 1/2 tsp Baking soda, 1 tsp Salt, 3.5 oz Chocolate bar
Using a mixer, beat the butter, sugar, and brown sugar on high speed for 2 minutes.
1 cup Unsalted butter, 1 cup White granulated sugar, 1/2 cup Brown sugar
Add the vanilla. melted chocolate, and eggs. Mix on high speed for 1 minute.
1 tsp Pure vanilla extract, 2 Large eggs
Add in the dry ingredients. Mix on low speed until just combined. Add in the chocolate chips and mix on low.
1 cup Semi-sweet chocolate chips
Place the cookie dough in the fridge for 15 minutes. Preheat the oven to 350℉. Line two cookie sheets with parchment paper.
Use a large cookie scoop (2 oz or 2 TBSP) to scoop the dough. Push your thumb into the dough while still in the scoop. Push 2/3rds down and place a frozen dollop of frozen chocolate in the whole. Cover the hole with the cookie dough.
Place 6 cookie dough balls per cookie sheet. Bake one sheet at a time. Bake for 12-15 minutes. Bake until the middle is just slightly underdone. Top with a little extra chocolate chips.
Let the cookies sit in the hot pan for 5 minutes. Then, transfer to a cooling rack to cool completely.