Salsa de Ancho Chile Brava

• 2 Roma tomatoes, cut into medium dice
• 3 cloves garlic, not peeled
• 1 large yellow onion, cut into medium dice

Preheat the oven to 350°F (175°C). Place the tomatoes, garlic, and onion on a sheet pan and roast for about 25 minutes, or until the tomat