how many cups of peanut butter in a 40 oz jar?Advertisement
How many cups in a peanut butter jar? that depends how big the jar is. How many peanuts are in a 12 oz jar of peanut butter? 540 (your welcome world of peanut butter) - read more
One 18 ounce jar of peanut butter equals a little more than 2 cups. [This is true if a jar is 18 fluid ounces, but if it is 18 ounces as a measure of weight, this is probably off.] - read more
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