INGREDIENTS
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1 tablespoon olive oil
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2 stalks celery, finely chopped
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1 medium carrot, finely chopped
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1 onion, finely chopped
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2 cloves garlic, finely chopped
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4 cups low-sodium chicken broth
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3/4 cup rolled oats
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1/2 cup all-purpose flour
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1/2 teaspoon baking powder
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1/2 teaspoon finely grated lemon zest
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Kosher salt and freshly ground black pepper
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1 tablespoon unsalted butter, cut into small pieces
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2 cups trimmed and halved green beans
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1 pound boneless skinless chicken breasts, cut into 1 1/2-inch pieces
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1/4 cup finely chopped fresh dill