Chocolate Peanut Butter Volcano Cupcakes - Rich, Gooey, and Delicious

Ingredients

• 1/2 cup unsweetened cocoa powder.
• 1/2 cup all-purpose flour.
• 1 tsp baking soda.
• 1/2 tsp salt.
• 1 cup granulated sugar.
• 1/2 cup vegetable oil.
• 2 large eggs.
• 1 tsp vanilla extract.
• 1/2 cup milk.
• 1/2 cup creamy peanut butter (for filling).
• 1/4 cup powdered sugar (for filling).
• 2 tbsp milk (for filling).
• 1/2 cup unsalted butter (softened, for frosting).
• 1 cup creamy peanut butter (for frosting).
• 2 cups powdered sugar (for frosting).
• 2-3 tbsp milk (for frosting).
• 1 tsp vanilla extract (for frosting).