What Is Tomato Pure Tomato pure is made by lightly cooking and pureing tomatoes. The result is a thick liquid that's used to form the base of tomato-based sauces and salsas. You can find tomato pure at most grocery stores in the canned tomato aisle.Tomato pure is a blended mixture of cooked and strained tomatoes. Tomato pure has a deep, tangy taste created by mixing ripe tomatoes, salt, and citric acid (like lemon juice) using a blender or food processor.
