A hearty salad for winter lunches, this keeps up to 5 days in the refrigerator.
| 1/2 | small | red onion, thinly sliced (about 1 cup) |
| 2 | cups | Cooked black beans, rinsed and drained |
| 3 | Tbsp | Olive oil |
| 2 | Tbsp | Lemon juice |
| 1 | Tbsp | Balsamic vinegar |
| 1 | Tbsp | Minced garlic |
| 1/2 | cup | Diced red bell peppers |
| 1/2 | cup | Chopped green bell peppers |
| 2 | Tbsp | Chopped fresh parsley |
| Salt and pepper to taste |