Raspberry Rhubarb Muffins Recipe

Ingredients

• 3¼ cups all-purpose flour
• 1/2 teaspoon baking soda
• 4 teaspoons baking powder
• 1/2 teaspoon kosher salt
• 2 eggs
• 1 egg yolk
• 1⅓ cups sugar
• 10 tablespoons (1¼ sticks) butter, melted
• 1 cup milk, at room temperature
• 1 cup crème fraîche, at room temperature
• 2 teaspoons vanilla extract
• 1 cup raspberries, fresh or frozen and thawed
• 1 cup fresh rhubarb, chopped