Pizza Muffins

Name: Pizza Muffins
Prep time: 20 min
Cook time: 14 min
Total time: 34 min
Cuisine: European, American
Ingredients: cooking spray (see notes below); 1/4 cup butter (diced and chilled); 1 cup parmesan (finely shredded, see notes below); 1 cup mozzarella (finely shredded, see notes below); 25 slices pepperoni (finely diced, 1/2 cup, 50 grams); 3/4 cup milk (your choice); 1 tbsp tomato paste; 1 large egg; 2 cups all purpose flour; 1/4 cup granulated sugar; 2 tsp baking powder; 1/2 tsp baking soda; 1/2 tsp salt (see notes below); 1 tsp oregano (dried, see notes below); 1 tsp basil (dried); 1/2 tsp garlic powder (see notes below)