Crazy Monkey Muffins (Chocolate Banana Muffins) - The Scramble

Ingredients

• 3 Tbsp. unsalted butter
• 1/2 cup brown sugar (packed)
• 2 very ripe bananas
• 2 eggs
• 3/4 cup low fat plain yogurt (or use any variety)
• 1 tsp. vanilla extract
• 1 1/2 cups whole wheat flour
• 1/2 cup unsweetened cocoa powder (sifted)
• 1/2 tsp. baking soda
• 1/2 tsp. kosher salt, sea salt, or other coarse salt
• 1/2 tsp. ground cinnamon
• 1/2 cup chopped walnuts (optional)
• 1/2 cup semi-sweet chocolate chips (optional)