Egyptian Breakfast Beans (Ful Medames)

Ingredients (for 4 servings)

• 1.5 lb — fava beans
• 1 whole — yellow onion
• 4 clove — garlic
• 1 tsp — cumin
• 0 whole — Zest and juice of 1 lemon
• 0 whole — Sea salt
• 1 whole — lemon