Naomi - Instead of flour, use tomato powder. Tomato powder is made from the skins of the tomato which are dried either in a dehydrator or in your oven, until completely dried and then powdered. You can then use it in different dishes instead of flour for a thickening agent. It actually gives a slight tomato taste when used, so remember than when you use it in your recipe. In the tomato soup, you will not notice the tomato powder like you will notice the flavor of raw flour.
Naomi - Instead of flour, use tomato powder. Tomato powder is made from the skins of the tomato which are dried either in a dehydrator or in your oven, until completely dried and then powdered. You can then use it in different dishes instead of flour for a thickening agent. It actually gives a slight tomato taste when used, so remember than when you use it in your recipe. In the tomato soup, you will not notice the tomato powder like you will notice the flavor of raw flour.