Beef with Baby Greens and Horseradish Vinaigrette

Ingredients

• 1/4 cup white wine vinegar
• 1 tbsp prepared horseradish
• 1/3 cup canola or vegetable oil
• 1/2 tsp salt
• 1/2 tsp freshly ground pepper
• 2 cups grilling steak (or sliced cooked beef oven roast)
• 1/2 cup feta cheese (crumbled)
• 1/2 small red onion (thinly sliced)
• 1/2 cup walnut halves (broken and toasted)
• 4 cups baby greens