You can also make these in a jumbo pan. Fill with 1/2 cup batter. Bake at 425 for 5 minutes and then at 375 for 15-20 minutes. Calories for jumbo muffin (1 out of 9) would be 260 calories.*This recipe uses homemade oat flour. I put 2 cups of gluten free old fashioned oats in a food processor and pulsed until it resembled a fine flour. That should result in the correct about of oat flour, but I always measure it out just to be sure.