Rinse 6-8 tomatillos in hot water ( husk first ). Heat a pan, pour in about 2 T of olive oil, add 1/2 small onion, chopped. Saute for a moment, add one chopped jalapeno, 2 cloves crushed garlic and the tomatillos. Saute until soft and turning brown. Put into a blender and add 1 T of cilantro, 1/2 cup water, a pinch of oregano and 1/4 tsp of toasted ground cumin. Add S & P, blend and use up soon.