Step 1

Prepare for awesomeness.

Step 2

Preheat your oven to 350 degrees F (180 degrees C). In a saucepan over medium-high heat, heat the oil and fry the onion and garlic until both are somewhat translucent and soft.

Step 3

Add in the chili powder and cayenne (if you are using it) and cook for a few minutes. Add the tomato puree, brown sugar, molasses, white wine vinegar, and soy sauce and bring to a low boil. Once boiling, add salt and black pepper to taste.

Step 4

Let simmer for about 10 minutes, then add the beans and simmer for an additional 10 minutes.

Step 5

Put the mixture into a casserole dish and bake for 15 minutes.

Step 6

Let stand for about 5 minutes before serving, and garnish it with sliced green onion or parsley. Allow it to cool for further thickening.