Spinach, Turmeric and Red Pepper Frittata

• 1 tbsp olive oil or butter
• 1 small onion, chopped
• 1 clove garlic, minced
• 1 cup red pepper, diced
• 1 tsp turmeric
• 6 eggs, lightly beaten
• 1 pacakge  (approx.10 oz) frozen chopped spinach, thawed and drained (or 4 cups fresh chopped spinach)
• 1/4 cup fresh parsley, chopped
• 1/4 tsp salt
• 1/4 tsp ground pepper
• pinch ground nutmeg

Optional

• 1/2 cup grated cheese