These 10 10 Low Calorie High Protein Oatmeal Recipes are high in protein (20 grams!) and low in calories (just 366 calories!)Below you'll find 10 delicious recipes for oatmeal with protein powder. Six of the recipes call for Vanilla Protein Powder (though the Mixed Berry High Protein Oatmeal would also be great with a berry protein powder!) and four are made with chocolate protein powder.