Add half the amount of butter to a microwave-safe oven and microwave until melted.
Stir in half the amount of the following egg, almond flour, baking powder, and salt to melted butter. Mix all well and microwave for 90 seconds.
When done, carefully run a knife around the edges and transfer the bread onto a plate.
Repeat the process for second piece of bread with the remaining ingredients.
Spray a nonstick pan with oil and place over low heat.
Add 1 slice of cheddar to bread and top with another