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Categories:
butter yellow onions thyme white wine vinegar coarse ground pepper salt lean ground beef stone ground mustard salt ground pepper onion
Viewed: 52 - Published at: 8 years agoIngredients
- 1 tablespoon Land O Lakes Butter
- 2 large (4 cups) yellow onions, sliced
- 1 teaspoon finely chopped fresh thyme leaves*
- 1 teaspoon white wine vinegar
- 1/4 teaspoon coarse ground pepper
- 1/8 teaspoon salt
- 1 1/2 pounds lean ground beef
- 2 tablespoons stone-ground mustard
- 1/4 teaspoon salt
- 2 teaspoons coarse ground pepper
- 4 onion hamburger buns
Method
- Melt butter in 12-inch skillet until sizzling; add onions.
- Cook over medium heat, stirring occasionally, 35-40 minutesuntil onions are tender and deep golden brown.
- Stir in thyme, vinegar, 1/4 teaspoon pepper and 1/8 teaspoon salt.
- Continue cooking, stirring occasionally, 5 minutes or until onions are caramelized.
- Heat gas grill on medium or charcoal grill until coals are ash white.
- Combine ground beef, mustard and salt in bowl; mix lightly.
- Shape into 4 (3/4-inch thick) patties.
- Sprinkle both sides of patties with pepper.
- Place patties onto grill.
- Grill, turning once, 10-12 minutes or until internal temperature reaches at least 160F or until desired doneness.
- Grill hamburger buns until toasted.
- Fill buns with hamburgers; top each with 1/4 cup onion mixture.
- *Substitute 1/4 teaspoon dried thyme leaves.
- Broiling Directions: Prepare onions and patties as directed above.
- Heat broiler.
- Place patties onto broiler pan.
- Broil, turning once, 12-15 minutes or until internal temperature reaches at least 160F or until desired doneness.
