Take those fresh tomatoes from your garden and make this delicious homemade tomato sauce! The added red lentils makes this sauce packed with protein. This Red Lentil Spaghetti dish is perfect for your vegan weight gain goals! It's vegan, gluten free, and very easy to make. Although this sauce thrives with fresh tomatoes, it's versatile enough to make with canned tomatoes making it pantry friendly. Serve over spaghetti, penne, or even rotini pasta for a healthy and filling vegan dinner!