Food scientists are a creative bunch. They can take almost any set of raw materials and create a product that resembles food in taste and appearance. We only know these products are not food by the ingredient listings on their label; these ingredient lists can be extravagantly long.

Edible flour tortillas require a little bit of fat (usually an oil or lard). If you want to make a vegan tortilla, lard is out, so you’re left with. But it’s hard to find oils that work right.

Quesadillas are the Mexican food equivalent of a sandwich: You can stick just about anything in a tortilla and it will be delicious.