Roll each round as thinly as possible. Flip tortilla, using a wide spatula to press it firmly against heated surface. Cook until blisters are lightly brown. Remove cooked tortillas from griddle and place in sealable plastic bag with moist cloth. Allow tortillas to steam and soften.
Homemade tortillas dry out quickly.
They are best used the day they are made. If it is not possible to use them the day they are made, refrigerate or freeze them in an air-tight container. Stir in all other ingredients, mixing well. Chill and serve. Add onion and garlic.