Directions: To reconstitute tomato powder, use the following recipes. Paste: Combine 3/4 cup tomato powder with 2 cups water. Sauce: Combine 1/2 cup tomato powder with 2 cups water. Juice: Combine 1/8 cup tomato powder with 2 cups water. Yields 2 cups.Perfect for when you need a little more tomato sauce or paste, but don’t want to open a whole can. Works great to thicken pizza and spaghetti sauce.