Easy Homemade Enchilada Sauce

Bahan-bahan (4 porsi)

• 2 tablespoons canola oil
• 1 medium yellow onion, diced
• 3 cloves garlic, minced
• 2 (14.5 oz) cans fire roasted diced tomatoes
• 1 chipotle pepper in adobo, minced + 1 tablespoon adobo sauce from the can
• 2 tablespoons chili powder
• 1 teaspoon ground cumin
• 1 teaspoon dried oregano
• 1/2 cup chicken or vegetable stock, or water
• Salt and pepper, to taste