Bakery Style Blueberry Muffin moist, light and airy How to make a moist, light and airy Blueberry Muffin bakery style. Here's what you'll need: Crumble Topping: 3 tbsp melted butter (36ml) 1/2 cup all purpose flour (65g) 1/2 cup sugar (100g) For the muffin: 1/2 cup melted butter (110g) 2 large eggs 1 cup sugar (200g) 1/3 cup yogurt (90g) 1/3 cup milk (85ml) 1 tsp vanilla (5ml) 2 cups all purpose flour (250g) 2 tsp baking powder (8g) 1/2 tsp salt (3g) 1 and a half cup blueberries 1. Preheat oven