"Warm, cheesy, and full of flavor, French Onion Ground Beef Casserole is the perfect cozy dinner for family meals or easy weeknight cooking..."
INGREDIENTS
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1 pound lean ground beef (85/15 or 90/10)
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1 10.5 oz can French onion soup
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1/2 cup sour cream (or cream cheese)
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1 1/2 cups shredded Gruyère (Swiss, or mozzarella cheese)
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1 1/2 cups crispy fried onions (plus extra for garnish if desired)
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Salt and pepper (to taste)
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Optional add-ins: sautéed mushrooms (cooked noodles, fresh thyme)