Spinach and Caramelized Onion Noodle Kugel | Savory

Ingredients

• 4 tbsp olive oil
• 4 tbsp unsalted butter
• 2 yellow onions, thinly sliced
• Cooking spray
• 1 (10 oz) box frozen whole-leaf spinach
• 1 (12 oz) pkg wide egg noodles
• 2 cups low-fat cottage cheese
• 1 cup nonfat Greek yogurt
• 1 (1 oz) pkg onion soup and dip mix
• 6 large eggs