Gluten-Free Maple Doughnuts with Cream Cheese Frosting

Ingredients

• 1 1/2 cups gluten-free flour blend
• 3/4 teaspoon xanthan gum — only if your flour doesn’t have it
• 1/4 cup cornstarch
• 1 1/2 teaspoons baking powder
• 1/4 teaspoon baking soda
• 1/4 teaspoon kosher salt
• 1/4 teaspoon ground nutmeg
• 3/4 cup real maple syrup
• 1/2 cup melted butter (cooled)
• 2 eggs (room temperature)
• 3/4 cup cup plain yogurt
• 1/2 teaspoon maple extract
• 1/2 teaspoon vanilla extract
• 2 ounces softened cream cheese
• 2 tablespoons softened butter
• 1 1/2 cups powdered sugar
• 1/4 teaspoon sea salt
• 2 tablespoons heavy cream
• 1 teaspoon maple extract
• 1/2 cup chopped toasted walnuts (for finishing)