Cauliflower Gratin with Tomatoes and Feta

Ingredients

• 2-3 Tablespoons olive oil
• 1 sweet onion, thinly sliced
• 2 cloves garlic, minced
• 1 1/2 tsp. oregano
• 1/8 tsp. cinnamon
• 1 (15 oz.) can diced tomatoes
• 1 tsp. honey
• 1 Tbsp. capers, rinsed
• salt and pepper
• 1 large head cauliflower, broken into smaller florets.
• juice from 1/2 a lemon
• 4 oz. crumbled feta cheese
• chopped parsley, for garnish