This flatbread is prepared and filled with seasoned meat of choice (or beans,), sour cream, fresh shredded lettuce, a blend of cheeses, and fresh diced tomatoes.

The chalupas is a specialty of South-Central Mexico. Traditional chalupas are made by shaping masa dough into the shape of a boat and frying it. The flat fried dough is topped only with salsa cheese and shredded lettuce. The Americanized Taco Bell chalupa supreme is much more like a fried flatbread and taco hybrid.

Look no further than the Chalupa, which contains chicken, lettuce, and tomatoes all snug inside a chewy, flaky shell. This option is perfect if you're aiming to eat fewer calories and fat. Fresco style removes all the sauce, so if you're needing a creamy component that adds healthy fats, ask to add in some guac.

330 Calories

Traditional chalupas, as found in Cholula, Puebla, are small, thick, boat-shaped fried masa topped only with salsa, cheese and shredded lettuce.

The Bottom Line. Compared to other fast-food options, Taco Bell tends to have a wider variety of nutritious options for customers to choose from. Registered dietitians suggest looking for items high in protein and fiber (especially meals featuring lean protein, vegetables and beans) to keep you fuller for longer.

Chalupa is a Spanish word for "boat," which refers to its boat-like shape. When traditionally prepared in Mexico, chalupas are often made of masa dough and molded into a slight cup shape, then deep fried, hence the boat naming. Chalupas are much more taco-shaped in the States and have that classic fold.

Though you can use a taco holder for both, traditional tacos tend to be soft-shelled with corn tortillas, and Americanized versions may have crunchy folded shells or wheat tortillas in place of corn. Chalupas, on the other hand, are rigid and boat-shaped, not folded.

Compared to other fast-food options, Taco Bell tends to have a wider variety of nutritious options for customers to choose from. Registered dietitians suggest looking for items high in protein and fiber (especially meals featuring lean protein, vegetables and beans) to keep you fuller for longer.

Furthermore, around 60% of Taco Bell meals fall between 220 and 410 calories from fat whereas 60% of McDonalds meals fall between 420 and 650 calories from fat. Additionally, around 77% of Taco Bell meals have less than 400 calories from fat whereas only around 18% of meals at McDonalds have the same quality.

With 870 calories, the XXL Grilled Stuft Burrito almost tops the list at Taco Bell. The Beef Nachos Box, however, takes the cake, with 1,100 calories.

Chalupas are a Mexican antojito, or snack, made from fried masa (corn dough) with a savory filling. The word chalupa comes from the Spanish word for shallop (or small sailboat), a reference to the masa cake's concave shape.