Vegetarian Slow Cooker Lasagna: Creamy - All Food Board

Ingredients

• 2 tbsp olive oil
• 1 medium onion, diced
• 3 cloves garlic, minced
• 1 medium zucchini, diced
• 8 oz mushrooms, sliced
• 1 red bell pepper, diced
• 2 cups fresh spinach, chopped
• 24 oz marinara sauce
• 15 oz ricotta cheese
• 1 large egg, lightly beaten
• 1/2 cup fresh parsley, chopped
• 1/2 tsp salt
• 1/4 tsp black pepper
• 1/2 tsp garlic powder
• 300g lasagna noodles
• 3 cups shredded mozzarella cheese
• 1/2 cup grated Parmesan cheese