Chop up the onion and garlic. Dice up the bacon, and add all to a skillet or dutch oven.
1 yellow onion, 3 cloves garlic, 1 lb bacon
Cook the bacon, onion, and garlic until the bacon starts to crisp and onion translucent & tender.
If starting with canned beans, open, drain, and rinse beans in each can. Add the beans to a 6 quart Slow Cooker (Crock Pot, etc) and mix so that all four colors are blended evenly.PRO TIP: If starting with dry beans: Use β
cup dry beans for each of the four types of beans. Put in the Instant Pot with 5 cups of water. Do not add any salt. Set program for 50 minutes and let Instant Pot vent naturally. Remove lid and strain off liquid. Proceed with the rest of the recipe. 2 cups cooked dark red kidney beans, 2 cups cooked white northern or navy beans, 2 cups cooked pinto beans, 2 cups cooked black beans
Now add the cooked bacon, onion, and garlic mixture on top of the beans.
Add the mustard, tomato paste, liquid smoke, and maple syrup and stir in until evenly distributed. A scraped vanilla bean give a great burst of flavor also, but it's optional.
6 oz tomato paste, 2 tablespoon Dijon mustard, β
teaspoon liquid smoke, 1 cup maple syrup, ΒΌ vanilla bean
Add the chicken broth, salt, and pepper and stir into the cowboy beans mixture to incorporate.
2 cups chicken broth, 1Β½ teaspoon salt, Β½ teaspoon pepper
Cook in the Slow Cooker on high for 4 hours or low. Serve and enjoy!