"Instant Pot French Onion Meatballs--this recipe takes minimal effort but tastes so good! Caramelized onions are sweet and rich and savory!..."
INGREDIENTS
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2 Tbsp butter
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4 medium yellow onions, halved and sliced
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½ tsp baking soda
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1 cup water
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1 (26 oz) package frozen homestyle meatballs
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1 (1 oz) package onion soup mix
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½ cup shredded parmesan cheese
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½ cup shredded mozzarella or swiss cheese