Egg bake with kale and feta

From runningtothekitchen.com. Serves 1. 10 steps

1/2 a medium onion	chopped	saute over medium-high heat for 3–5 minutes or until softened	In a ramekin, layer: sauce, kale, feta, sauce, kale, eggs, feta	Bake in moderately hot oven for 12–15 minutes, or until eggs are fully cooked but still runny
1 clove garlic	mince
1 tablespoon extra virgin olive oil
5—6 large leaves of kale	wash, trim, chop	saute 2–3 minutes or until kale is wilted
1/4 teaspoon red pepper flakes
salt & pepper		season to taste
4 tablespoons marinara sauce
1/3 cup feta	crumbled
2 eggs