Caramelized Onion Tater Tot Hotdish

This Caramelized Onion Tater Tot Hotdish is a rich and comforting fall dish that combines savory ground beef, sweet caramelized onions, and earthy mushrooms, all enveloped in a creamy, cheesy béchamel sauce. Topped with crispy tater tots and a sprinkle of Parmesan, it's a hearty, nostalgic meal perfect for cozy nights.