Ingredients

• 1 Tbsp butter
• 1 tsp olive oil
• 1 lb. ground beef
• 1/3 green bell pepper, minced
• 1/2 large yellow onion, minced
• 3 cloves garlic, minced
• 1 Tbsp tomato paste
• 2/3 cup ketchup
• 1/3 cup water
• 1 Tbsp brown sugar (or less, if you prefer)
• 1 tsp yellow mustard
• 3/4 tsp chili powder
• 1/2 tsp Worcestershire sauce
• 1/2 tsp kosher salt
• 1/4 tsp red pepper flakes (optional)
• 1/4 tsp black pepper
• dash of hot sauce (optional)

Instructions

• Heat butter and oil in large skillet over MED/MED-HIGH heat.  Add beef and brown, breaking apart into crumbles as it cooks, about 5 minutes.  Transfer to colander to drain.
• Add onion and bell pepper to same skillet and cook 2-3 minutes, until soft.  Add garlic and cook 30 seconds or so, until fragrant.  Add beef back to the skillet and add tomato paste.  Stir well.
• Add ketchup, water, brown sugar, mustard, chili powder, Worcestershire sauce, salt, red pepper flakes (if using), and black pepper.  Stir well to combine.
• Cook over MED heat for 10-15 minutes, until mixture has thickened to your liking.  Remove from heat and serve over toasted buns.