Green Enchilada Sauce

Bahan-bahan (4 porsi)

• 1 tablespoon olive oil
• 1 small white onion, peeled and diced
• 1 jalapeño, cored (seeds removed) and diced
• 4 cloves garlic, peeled and minced
• 1 cup vegetable stock
• 4 (4-ounce) cans diced green chiles
• 1.5 teaspoons ground cumin
• 1 teaspoon fine sea salt
• 1/2 teaspoon freshly-ground black pepper