Tomatillo Salsa Verde

INGREDIENTS

• 1 pound tomatillos, husked
• 1/2 cup finely chopped onion
• 1 teaspoon minced garlic
• 1 serrano chile peppers, minced
• 2 tablespoons chopped cilantro
• 1 tablespoon chopped fresh oregano
• 1/2 teaspoon ground cumin
• 1 1/2 teaspoons salt, or to taste
• 2 cups water