Salsa de Molcajete Servings: about 1 cup 6 Serrano chiles, stems removed 2 ripe tomatoes 2 Cloves garlic 1 Teaspoon coarse salt black pepper, freshly ground, to taste On a comal, roast the serranos and tomatoes for 5 to 10 minutes or until they are charred. Discard the very black skin. In a molcajete, with a tejolote, grind the serranos and garlic and add salt and pepper. When they are roughly ground, add the tomatoes and continue grinding. Serve in the molcajete or a small bowl.