Heat the olive oil in a large pot over medium heat.
Add the sliced garlic and sauté until fragrant.
Add the tomato paste to the pot and briefly roast it with the garlic.
Pour in the red wine, stirring constantly to deglaze the pot.
Cook for about 2 minutes to let it reduce a bit.
Add the crushed tomatoes, basil, oregano, Italian seasoning, and sugar.
Stir well to combine everything.
Bring the sauce to a boil.
Then, reduce the heat to low and let it simmer for 30 to 45 minutes.
Remove the garlic before serving.