As you can see from the pickle and plum tomato slices in the photo, these roast beef sliders are small. But they pack a lot of flavor! Mix mayo, Sriracha and lime juice in small bowl. Spread each bun with 1/2 Tbsp. (1-1/2 tsp.) of the mayo mixture. Fill each bun with 1 folded slice each ham and roast beef, a cheese sli….