In a large soup pot, heat the olive oil. Add the onions and cook slowly on medium heat, until they start to caramelize. They should be evenly brown and soft. Cooking them this way brings out the natural sweetness in the onions.
Add the garlic and dried herbs and cook for 5 minutes. Deglaze the pan with the 1/4 cup of red wine and cook for 2 minutes more.
Add the tomatoes and their juice and stir to combine. Bring to a simmer and cook on low, stirring occasionally for about 2 hours. Add salt and pepper to taste.
Dried herbs hold their flavor much longer than fresh herbs when slow-cooking. If you want to use fresh herbs, add them at the end of the cooking process, just before serving.
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