Spicy Braised Green Beans and Tomatoes - Fresh Fork Market

Ingredients

• 1 lb green beans, fresh or frozen (thawed and drained well)
• 2 tbsp oil
• 1/2 onion, thinly sliced into half-moons
• 4 cloves garlic, thinly sliced
• 1 tsp each: mustard seeds, cumin seeds. (Can also use pre-bought powdered spices, just skip the toasting and grinding step.)
• 1 pinch - 1/2 tsp chili pepper flakes or cayenne (more or less to spicy preference)
• 1 cup tomato sauce
• 1 pat butter (optional, but delicious)
• 1/2 lemon (optional)
• Minced parsley or kale for garnish.