Pumpkin Coffee Cake With Maple Glaze

Ingredients

• 2 cup all-purpose flour
• 1/2 cup oat flour
• 2 teaspoon baking powder
• 1 teaspoon baking soda
• 2 teaspoon ground cinnamon
• 1/2 teaspoon ground nutmeg
• 1/4 teaspoon ground cloves
• 1/2 teaspoon ground ginger
• 1/2 teaspoon kosher salt
• 1 cup packed light brown sugar
• 3/4 cup neutral-flavored oil, such as canola
• 1 1/4 cup pure pumpkin purée (not pumpkin pie filling)
• 3/4 cup sour cream
• 2 eggs
• 1/2 cup whole milk
• 1 teaspoon pure vanilla extract
• 1 cup oat flour
• 1 tablespoon ground cinnamon
• 10 tablespoon unsalted butter, cut into ½-inch cubes, cold
• 1 cup chopped pecans (optional)
• 1 cup confectioners’ sugar
• 1 tablespoon heavy cream
• 1 tablespoon maple syrup
• 1/2 teaspoon pure vanilla extract