Brothers today we continue traveling through world gastronomy, today we will make an adaptation of a famous taco sauce Mexican green sauce Ingredients: 1 onion, cut in half 7 hot chili peppers 1 jalapeño or rocoto pepper 3 garlic cloves. 9 green tomatoes Salt and pepper. We will take all our ingredients and roast them on a grill, comal or aripo, for about 15 to 20 minutes. Then we chop them a bit and put them in the blender for 1 minute or 2. This sauce is excellent for good tacos.