Cracker snacks are a popular snack food that come in many different varieties. SALTINE crackers are a type of cracker made with flour, salt, and baking soda, and are usually square-shaped with a few small holes. Ritz crackers are a type of cracker made with wheat flour, vegetable oil, sugar, and yeast, and are usually round with a crisscross pattern on the top. Both types of crackers are often served with cheese, dips, or other toppings.