INGREDIENTS
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1 tbsp olive oil
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1 tsp balsamic vinegar
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3 cloves garlic, minced
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2 large sweet onions, sliced
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salt and pepper
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2 egg whites, lightly beaten
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1/3 cup unsweetened almond milk
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1/3 cup low sodium beef broth
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1/2 cup raw oats (if you care about that sort of thing, use gluten-free oats)
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1 lb 96% lean ground beef (if I haven't sold you on the beef thing, ground turkey works too ;) )
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2-3 oz gruyere cheese, sliced or freshly shredded