In a medium saucepan, melt the butler over medium-high heat. slowly whisk in the flour to create a roux. Turn the heat to low. Continue cooking until the roux begins to turn a golden brown and starts to smell nutty.- approximately 1-2 minutes. Slowly whisk in the stock and stir until smooth. Stir the garlic powder, onion powder and sage. Whisk in the maple syrup and bourbon. Season with salt and pepper to taste.
Turn the heat to high and bring to a boil. Immediately turn the heat to low and simmer until thickened- approximately 1 minute. Transfer to a gravy boat and serve.