Caramelized Red Onion-Feta Burgers - Legendary Recipes %

Ingredients

• 1 large red onion, sliced (2 1/2 cups)
• 1/4 cup red wine vinegar
• 1/4 cup red wine or nonalcoholic red wine
• 1/2 cup concord grape jelly
• 1/4 cup sour cream
• 1/4 cup mayonnaise or salad dressing
• 3/4 teaspoon dill weed
• 1/2 teaspoon onion powder
• 1/4 teaspoon Beau Monde seasoning, if desired
• 1 medium English (seedless) cucumber, finely diced (1 1/2 cups)
• 1 can (16.3 oz) Flaky Layers refrigerated original biscuits (8 biscuits)
• 1 lb lean (at least 80%) ground beef
• 1 cup crumbled feta cheese (4 oz)
• Dash salt
• Dash black pepper
• 8 tomato slices
• 8 lettuce leaves