*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
**Nutrient information is not available for all ingredients. Amount is based on available nutrient data.
(-)Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.
Mix celery, green bell pepper, red bell pepper, yellow bell pepper, carrot, basil, oregano, thyme, salt, and black pepper together in a bowl until the vegetables are evenly coated in seasonings.
Heat olive oil in a skillet over medium-low heat. Cook and stir onion and garlic in hot oil until onion is soft and garlic is light golden brown, 5 to 10 minutes. Add vegetable mixture to the skillet; cook and stir until hot, 3 to 5 minutes. Remove skillet from heat.
Combine tomatoes and 1/4 cup red wine in a large pot over low heat. Cook, stirring occasionally, until the tomatoes begin to soften, 15 to 20 minutes.
Pour tomato mixture into a blender with remaining 1/4 cup red wine and cornstarch to no more than half full. Cover and hold lid down; pulse a few times before leaving on to blend. Puree in batches until smooth.
Return blended tomatoes to pot over medium-low heat. Stir vegetable mixture through tomato sauce; bring to a simmer and cook until thick, about 1 hour.