To make the bread easier to remove later on, lightly grease the bowl with cooking spray, oil, or butter. You can also use a large, microwave-safe mug instead. The batter needs to fill it no more than halfway to allow room for rising.

Coconut flour is a great, healthy substitute for regular flour. It is full of fiber and will give the bread a light, fluffy, cake-like texture. You can also use 4 tablespoons (24 grams) of almond flour instead. This will give the bread a light, spongy, custard-like texture.

Allergic to nuts? Try soy nut butter or sunflower seed butter instead. [4] X Research source