Open-faced Burgers With Horseradish Sauce And Green Beans

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Details

10 Ingredients

• 1 1/2 lbs ground beef sirloin
• Coarse salt and ground pepper
• 1 Tbsp olive oil
• 1 lb green beans, stem ends removed
• 1 medium red onion, halved and thinly sliced
• 1/3 cup light mayonnaise
• 1/4 cup fresh parsley, chopped
• 1 Tbsp prepared white horseradish
• 4 thick slices tomato
• 4 thick slices country bread, toasted