Chocolate Pumpkin Muffins

Ingredients (13)

• + 1 cup all-purpose flour add to pantry
• + ¼ cup cocoa powder add to pantry
• + 1 tablespoon pumpkin pie spice add to pantry
• + ½ teaspoon baking soda add to pantry
• + ¼ teaspoon baking powder add to pantry
• + ¼ teaspoon salt add to pantry
• + ¾ cup brown sugar add to pantry
• + 1 cup pumpkin puree add to pantry
• ✓ 2 large eggs
• + ¼ cup vegetable oil add to pantry
• + ¼ cup sour cream add to pantry
• ✓ 1 teaspoon vanilla extract
• + 1 cup chocolate chips, divided add to pantry