Sweet Corn & Black Bean Salad  2 cups black beans, rinsed and drained  1 cup frozen sweet corn, thawed  1/2 cup grape tomatoes, roughly chopped  1/2 cup chopped bell peppers  1/4 cup finely chopped red onion  1 large handful fresh cilantro, chopped  1 tbsp olive oil  2-3 tbsp freshly squeezed lime juice (about half a lime)  Pepper, to taste
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