Brown and crumble 1 pound ground beef in a large skillet over medium-high heat. Drain excess grease.
Return meat to skillet and add in 14.5 ounce can diced tomatoes, 1 cup ketchup, 1/2 cup bottled barbecue sauce, 1 Tablespoon Worcestershire sauce and 2 Tablespoons sugar.
Give it all a good stir until combined then cover and cook on medium heat for about 10 minutes. While this is cooking, prepare the 1 box (8 slices) frozen garlic Texas toast according to package directions.
When bread is ready, spoon filling on top of bread and then sprinkle with 1 cup shredded cheddar cheese and serve. Note: if you prefer, you can stick these into the oven to brown the cheese on top.
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Notes
The added sugar is optional in this. I think it helps balance out the acidity of the tomatoes. But if you are using a very sweet barbecue sauce then you may not feel the added sugar is necessary. Just go by taste.