Yes, leftover tomato paste can be transformed into a flavorful base sauce by adding liquids, herbs, and spices. This is a great way to reduce food waste and create a delicious sauce for pasta, pizza, or other dishes.
Leftover tomato paste often ends up forgotten in the refrigerator. Instead of discarding it, you can easily convert it into a versatile base sauce. Here's how:
Sauté Aromatics: In a saucepan, heat a tablespoon of olive oil over medium heat. Add minced garlic, onions, or shallots and sauté until softened and fragrant (about 3-5 minutes).
Bloom the Paste: Add the leftover tomato paste to the saucepan and cook for 1-2 minutes, stirring constantly. This process, called 'blooming,' helps to intensify the flavor of the tomato paste and remove any metallic taste.
Add Liquid: Pour in a liquid such as vegetable broth, chicken broth, water, or crushed tomatoes. Start with about 1/2 cup and add more until you reach your desired consistency.
Season and Simmer: Season the sauce with dried or fresh herbs like basil, oregano, thyme, or rosemary. Add salt, pepper, and a pinch of sugar to balance the acidity. Bring the sauce to a simmer and let it cook for at least 15-20 minutes, stirring occasionally, to allow the flavors to meld together.
Adjust and Serve: Taste the sauce and adjust the seasonings as needed. You can also add a splash of red wine vinegar or lemon juice for extra brightness. Use the sauce immediately or store it in the refrigerator for later use.
For a richer flavor, add a knob of butter or a drizzle of olive oil at the end of the simmering process. This will create a smoother, more luxurious sauce.