If you're referring to this recipe: http://www.almanac.com/recipe/fresh-basil-and-tomato-frittata then the answer is 8 oz and 4 oz are weights. Take an 8 oz block of cheddar cheese and grate it. Take a 4 oz block of Monterey Jack cheese and grate it. Hope this helps!
If you're referring to this recipe: http://www.almanac.com/recipe/fresh-basil-and-tomato-frittata then the answer is 8 oz and 4 oz are weights. Take an 8 oz block of cheddar cheese and grate it. Take a 4 oz block of Monterey Jack cheese and grate it. Hope this helps!