Heat a dutch oven or soup pot on medium high. Drizzle olive oil in pan then add onions and poblano peppers. Cook for about 5 minutes or until onions are starting to be translucent (stirring frequently). Add garlic and cook for one minute. Then add chicken stock, hominy, green chilies, cumin, Mexican oregano, ancho chili powder and salt and pepper to taste. Cook for about 45 minutes. Meanwhile, start chopping and prepping your garnish ingredients. Finally add the cooked chicken and tomatoes and cook for another 5 minutes or until everything is warm. Garnish with a limes wedges, sliced radishes, avocados, chopped cilantro and fresco cheese. Squeeze lime wedges into your bowl of Posolé and enjoy.