Crockpot Lasagna

Ingredients

• 3 28 oz cans diced tomatoes
• 3 cloves pressed garlic
• 2 Tbsp dried oregano
• 1/2 tsp salt
• 1/4 tsp red pepper flakes (optional)
• 1/4 tsp pepper
• 1/2 tsp dried basil
• 1 15- oz pkg firm tofu
• 2 cups Daiya shredded mozzarella cheese
• 1/4 cup non-dairy grated parmesan
• 1 pkg gluten-free lasagna noodles
• 6 cups fresh baby spinach (optional)
• 1 lb cooked ground beef with 1/2 onion (optional)