Making a good thing better: These sloppy Joes will appeal to kids and adults alike
1 pound 85% lean ground beef
1/2 teaspoon plus 1/8 teaspoon table salt, divided
2 teaspoons vegetable oil
1/2 onion, chopped fine
2 garlic cloves, minced
2 teaspoons packed brown sugar, plus extra for seasoning
2 teaspoons paprika
1/4 teaspoon red pepper flakes
1/4 cup tomato paste
1/3 cup ketchup
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