Beef and Broccoli Salad

By merryc

3.82 / 5

20min

10min

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1 ½ pounds broccoli cut into florets, stems peeled and sliced 1/4 inch thick
2 tablespoons white wine vinegar
2 teaspoons Dijon mustard
½ teaspoon prepared horseradish or to taste
¾ teaspoon salt
⅛ teaspoon ground black pepper
½ cup olive oil
3 tablespoons sour cream
¾ pound thick sliced deli roast beef cut into 1/2-inch pieces
2 ½ cups cherry tomatoes halved
6 green onions cut diagonally into thin slices