INGREDIENTS
•
3 spray(s) olive oil cooking spray
•
6 oz french bread, about an 8-inch long thin loaf, cut into 16 slices
•
1/3 cup(s) reduced-fat sour cream
•
3 Tbsp uncooked red onion(s), diced
•
1 Tbsp store-bought horseradish
•
1/4 tsp black pepper, freshly ground (plus extra for garnish)
•
2 cup(s) arugula, baby leaves
•
8 oz deli-style roast beef slice(s), thickly cut into 8 pieces and then each piece cut in half to yield 16 pieces total