Serves:  6 people Prep: 25 mins and 35 mins Ingredients: 2 tsp cumin seeds juice and zest 2 limes , plus wedges to serve 3 sirloin steaks or rump steak, fat trimmed, cut into long strips 200g long grain rice or wild rice mix 2 x 400g cans black beans , rinsed and drained 3 shallots , finely diced 2 ripe avocados , chopped into small chunks [...]