Gather ingredients as shown.
chop and peel onion and red bell pepper. Discard stem, membrane and seeds of bell pepper. Set aside.
Chop and seed regular tomato and cut each cherry tomato in half.
Crack eggs into bowl, add one teaspoonful each of salt and pepper.
Beat eggs and set aside
Melt coconut oil over medium heat. Preheat oven to 500 degrees.
Add onion, bell pepper and chopped tomato to pan. DO NOT add cherry tomatoes yet! Cook for about 3 minutes.
Add spinach and cook until wilted.
This is what the mixture should look like prior to adding eggs.
Add beaten eggs, do not stir. Fold eggs into vegetable mixture quickly using rubber spatula before eggs begin to set.
Cook mixture for about three minutes.
Add cherry tomato halves to the top of the egg mixture. Place in preheated 500 degree oven and bake 5 to 7 minutes or until eggs are totally set.
Slice the frittata into wedges like a pie and serve immediately.