Step 1. Heat the oil in a skillet and sauté the chorizo.
Step 2. Add the cooked beans and mix.
Step 3. Season with salt and pepper.
Step 4. Stir in the ketchup, BBQ sauce, and water.
Step 5. Cook for a couple of minutes until slightly saucy.
Step 6. Serve over the Ranchitas, sprinkle with cheese, and add a little more BBQ sauce if desired.