Authentic Green Enchilada Sauce (Authentic Recipe!)

Ingredients

• 1 lb tomatillos
• 2 jalapeno peppers (swap serranos for a spicier sauce)
• 1/2 yellow onion
• 2 garlic cloves
• 1/2 cup fresh cilantro
• 1 tsp kosher salt (or chicken bouillon, more to taste)
• 1/2 tsp cumin
• 1/4 tsp Mexican oregano
• 1 tbsp olive oil (or vegetable oil)