Homemade Blueberry Muffins

Ingredients

• 1 1/2 cups all-purpose flour ($0.18)
• 2 tsp baking powder ($0.04)
• 3/4 tsp salt ($0.04)
• 1/4 tsp cinnamon ($0.02)
• 1/8 tsp nutmeg ($0.02)
• 1 cup plain yogurt* ($0.85)
• 1/2 cup granulated sugar ($0.08)
• 4 Tbsp melted butter ($0.40)
• 2 Tbsp cooking oil ($0.08)
• 1 large egg ($0.21)
• 1 1/2 tsp vanilla extract ($0.42)
• 1 cup blueberries ($1.33)
• Crumble Topping (optional)
• 1 Tbsp melted butter ($0.10)
• 2 Tbsp granulated sugar ($0.02)
• 1/8 tsp cinnamon ($0.02)
• 2 Tbsp all-purpose flour ($0.02)