Buttermilk Doughnuts

Ingredients (15)

• ✓ 2 cups vegetable oil for frying
• + 2 cups buttermilk add to pantry
• + 1 cup white sugar add to pantry
• + 2 large eggs, beaten add to pantry
• + 5 cups sifted all-purpose flour add to pantry
• + 2 teaspoons baking soda add to pantry
• ✓ 1 teaspoon baking powder
• ✓ 1 teaspoon salt
• + 1 teaspoon ground nutmeg add to pantry
• + ¼ teaspoon ground cinnamon add to pantry
• + ½ cup melted butter add to pantry
• + 3 cups confectioners' sugar add to pantry
• + 1 tablespoon margarine, softened add to pantry
• + ½ teaspoon vanilla extract add to pantry
• + 2 tablespoons milk, or as needed add to pantry