Who doesn’t love a good sandwich? But sometimes, those classic sandwich fillings like cheese and mayo can add up to a lot of calories and fat.

However, with the right ingredients, you can still enjoy a delicious and satisfying sandwich without worrying about adding extra pounds. Here are 30 ingredients to add to your sandwich for a slimmer belly:.

1. Avocado

An avocado is a great addition to your sandwich. Not only is it high in healthy fats, fiber, and potassium, but it also adds a creamy texture to your sandwich. Plus, it can help you feel more full and satisfied, which can prevent overeating later on.

2. Hummus

Hummus is a delicious and healthy spread that you can use in place of mayo or other high-calorie condiments. It’s made from chickpeas, tahini, lemon juice, and garlic and can add a lot of flavor to your sandwich.

Plus, it’s high in protein and fiber, which can help you feel more full and satisfied.

3. Mustard

If you’re looking for a low-calorie condiment for your sandwich, mustard is the way to go. It adds a tangy flavor without adding any fat or calories.

Plus, it’s rich in antioxidants and has antimicrobial properties that can help boost your immune system.

4. Turkey

When it comes to sandwich meats, turkey is a great choice. It’s lean and high in protein, which can help you feel full and satisfied. Plus, it’s low in calories and fat, which makes it a great option for weight loss.

5. Chicken breast

Chicken breast is another great option for a lean protein source in your sandwich. It’s low in calories and high in protein, which can help you feel full and satisfied.

Plus, it’s a great source of vitamins and minerals like vitamin B6 and potassium.

6. Tuna

A tuna sandwich can be a delicious and satisfying meal. Tuna is a great source of lean protein and is low in calories and fat. Plus, it’s rich in omega-3 fatty acids, which can help reduce inflammation in the body and improve heart health.

7. Roasted vegetables

If you’re looking for a way to add more veggies to your sandwich, try roasting them. Roasted vegetables like peppers, zucchini, and eggplant can add a lot of flavor and texture to your sandwich.

Plus, they’re low in calories and high in fiber, which can help you feel full and satisfied.

8. Spinach

Spinach is a great leafy green to add to your sandwich. It’s low in calories and high in vitamins and minerals, including iron and vitamin K. Plus, it adds a fresh and crispy texture to your sandwich.

9. Bell peppers

Bell peppers are another great vegetable to add to your sandwich. They’re low in calories and high in vitamin C, which can help boost your immune system. Plus, they add a sweet and crunchy texture to your sandwich.

10. Cucumber

Cucumber is a refreshing vegetable that can add a lot of moisture and crunch to your sandwich. Plus, it’s low in calories and high in water, which can help you feel hydrated and full.

11. Tomatoes

Tomatoes are a classic sandwich ingredient and for good reason. They’re low in calories and high in vitamins C and A, which can help boost your immune system and improve your vision. Plus, they add a juicy and savory flavor to your sandwich.

12. Apples

If you’re looking to add a sweet and crispy texture to your sandwich, try adding sliced apples. They’re low in calories and high in fiber, which can help you feel full and satisfied.

Plus, they’re a great source of vitamin C and antioxidants.

13. Berries

Another great option for a sweet and fruity flavor in your sandwich is berries. They’re low in calories and high in fiber and antioxidants, which can help improve your health and prevent chronic diseases.

14. Pesto

Pesto is a delicious and flavorful condiment that you can use to add a lot of flavor to your sandwich. It’s made from basil, garlic, pine nuts, olive oil, and Parmesan cheese and is rich in healthy fats and antioxidants.

Plus, it pairs well with a variety of sandwich fillings like chicken, turkey, and veggies.

15. Guacamole

Guacamole is a delicious and creamy spread that you can use in place of mayo or other high-calorie condiments. It’s made from avocado, garlic, lime juice, and cilantro and is high in healthy fats and fiber.

16. Egg whites

If you’re looking for a low-calorie and high-protein filling for your sandwich, try using egg whites. They’re low in calories and fat and are a great source of protein and vitamins like vitamin B12 and choline.

17. Cottage cheese

Cottage cheese is a low-fat and high-protein option for your sandwich filling. It’s also a great source of calcium and phosphorus, which can help support bone health.

18. Feta cheese

If you’re looking for a flavorful cheese for your sandwich, try using feta. It’s lower in calories and fat than other cheeses like cheddar or Swiss and is higher in protein and calcium. Plus, it adds a tangy and salty flavor to your sandwich.

19. Red onion

Red onion is a flavorful ingredient that you can add to your sandwich. It’s low in calories and high in antioxidants, which can help reduce inflammation and improve heart health. Plus, it adds a spicy and sweet flavor to your sandwich.

20. Salsa

Salsa is a delicious and low-calorie condiment that you can use to add a lot of flavor to your sandwich. It’s made from tomatoes, onions, peppers, and other spices and is rich in vitamins and antioxidants.

21. Hot sauce

If you’re looking for a way to add some heat to your sandwich, try using hot sauce. It’s low in calories and can add a lot of flavor and spice to your sandwich.

22. Arugula

Arugula is a great leafy green to add to your sandwich. It’s low in calories and high in vitamins and minerals like vitamin C and potassium. Plus, it adds a slightly spicy and peppery flavor to your sandwich.

23. Ricotta cheese

Ricotta cheese is a creamy and low-fat cheese that you can use in place of mayo or other high-calorie condiments. It’s also high in protein and calcium, which can help support bone health.

24. Black beans

Black beans are a great option for a vegetarian or vegan sandwich filling. They’re high in protein and fiber, which can help you feel full and satisfied. Plus, they’re a great source of iron and other important nutrients.

25. Lentils

Lentils are another great option for a vegetarian or vegan sandwich filling. They’re low in calories and high in protein and fiber, which can help you feel full and satisfied.

Plus, they’re a great source of iron and other important nutrients.

26. Grilled tofu

If you’re looking for a vegetarian or vegan protein source for your sandwich, try using grilled tofu. It’s low in calories and high in protein and can be flavored in a variety of ways to add more flavor to your sandwich.

27. Mustard greens

Mustard greens are a leafy green that can add a lot of flavor and texture to your sandwich. They’re low in calories and high in vitamin K, which can help support bone health. Plus, they add a slightly bitter and spicy flavor to your sandwich.

28. Sun-dried tomatoes

Sun-dried tomatoes are a delicious and flavorful addition to your sandwich. They’re low in calories and high in antioxidants, which can help improve your health and prevent chronic diseases.

Plus, they add a sweet and slightly chewy texture to your sandwich.

29. Walnuts

Walnuts are a great addition to your sandwich if you’re looking for a source of healthy fats and protein. They’re also high in omega-3 fatty acids, which can help reduce inflammation and improve heart health.

30. Roasted garlic

Roasted garlic is a delicious and savory addition to your sandwich. It’s low in calories and high in antioxidants, which can help reduce inflammation and improve heart health. Plus, it adds a rich and slightly sweet flavor to your sandwich.