Fabada Asturiana

Ingredients

• 1 yellow onion, cut in bite-size square chunks
• 1 green bell pepper, cut in bite-size square chunks
• 1 red bell pepper, cut in bite-size square chunks
• 1/4 cup olive oil
• 3 garlic cloves, mashed with 1 teaspoon salt
• 6 slices bacon, chopped
• 4 (14 1/2 ounce) cans butter beans
• 2 cups chicken stock
• 1/4 cup sherry wine
• 1 lb smoked ham, cut in chunks
• 1 teaspoon achiote (Bijol powder)
• salt
• black pepper
• masa harina (2 tablespoons mixed with 1/2 cup water)
• 1 cup whole milk