Step 1:
Warm the oil in a large non-stick skillet over a medium-high heat. Add beef, onion and bell pepper. Use a wooden spoon to break the meet into crumbles. Allow to cook for about 5 minutes or meat is thoroughly cooked and the vegetables are soft. Add garlic and stir in it for about 30 minutes or until fragrant. Then drain off the grease.
Step 2:
Add and stir in the tomato paste until it is well combined, add ketchup, water, brown sugar, Worcestershire, mustard, salt, pepper, and red pepper flakes. Stir together until it is well combined.
Step 3:
Allow it cook over medium heat for about 10 minutes until the mixture has thickened. Then remove from heat and serve on toasted bun, then enjoy.
Tips
If you have any leftovers, you can refrigerate, and then freeze completely for up to 4 months. When it’s time to serve, thaw overnight in the refrigerator, then reheat for about 10 minutes in the oven.