Chickpea & Onion Salad

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I like to keep diffent bean salads on hand in the summer for a quick side dish. You can substitute your favorite trio of beans in this dish.
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Chickpea & Onion Salad.
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1 can chickpeas, drained & rinsed
1 can green beans, drained
1 can wax beans, drained
1 medium purple onion, sliced
1 tablespoon sugar
1/2 cup apple cider vinegar
1/2 cup canola oil
1 teaspoon coarse black pepper
1/2 teaspoon sea salt
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Mix sugar, oil, vinegar, pepper and salt together. Add beans and toss together. Chill 2 hours or overnight before serving.