Peach Zucchini Muffins

Ingredients

• 6 tablespoons unsalted butter, melted
• 1 1/2 cups flour (all-purpose or whole wheat)
• 1/2 cup granulated sugar
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon kosher salt
• 1 1/2cups all-purpose flour
• 1 1/2 cups whole wheat flour
• 1 cup granulated sugar
• 1 tablespoon baking powder
• 1 cup Greek yogurt
• 1/2 cup unsalted butter, melted
• 1/4 cup milk
• 2 large eggs
• 1 1/2 teaspoons vanilla extract
• 1 large peach, pitted (about 1 1/2 cups diced)
• 1/2 medium-sized zucchini (about 3/4 cup grated)