Cook the bacon and drain on a paper towel, reserving the bacon grease. Add the bacon grease to a dutch oven or large pot on the stove over medium-high heat. Add the onion to the pot and cook for 2-3 minutes, until softened.
Add the green beans, chicken stock, 1 teaspoon granulated garlic, and 1/2 teaspoon kosher salt. Stir and cover. Reduce the heat to medium-low and simmer for 30 minutes. If desired, add some "Fire in the Swamp" seasoning too.
After 30 minutes, sprinkle the green beans with 1/2 teaspoon granulated garlic. Arrange the potatoes over the green beans. Dot with butter and sprinkle with the remaining salt and pepper. Cover and simmer for 25-30 minutes, until the potatoes are fork tender. If desired, add some "Fire in the Swamp" seasoning too.
Stir gently and transfer to a serving dish. Crumble the bacon and sprinkle it over the green beans and potatoes. Add "Fire in the Swamp" seasoning to taste!