Nuts are an integral part of vegetarian diets, adding texture, flavor, and nutrients. Adding nuts to your meals can make them more filling and nutritious. Here are five nuts that can make your vegetarian meals crunchy and nutritious. Their slightly sweet flavor goes well with both savory and sweet dishes. #4 Pecans: Sweet nutty flavor Pecans provide a naturally sweet, nutty flavor, making them perfect for desserts or sweet dishes.