01 -
Preheat the oven to 425 degrees Fahrenheit 220 degrees Celsius.
02 -
Heat olive oil or butter in a skillet over medium heat. Add chopped shallot and sauté for 5 to 8 minutes until softened and lightly caramelized. Stir in garlic and cook for an additional minute.
03 -
Add the ground beef to the skillet. Cook until browned, breaking it up with a spoon. Season with salt, pepper, and thyme.
04 -
Stir in flour to coat the beef mixture evenly. Pour in white wine and coconut aminos, scraping up any browned bits. Simmer for 1 to 2 minutes. Add beef broth and cook until the sauce thickens slightly.
05 -
Transfer the beef mixture to a small baking dish. Spread shredded Gruyère cheese evenly over the surface. Arrange frozen tater tots in a single layer on top.
06 -
Place the dish in the preheated oven and bake for 20 to 25 minutes until tater tots are crispy and golden brown.
07 -
For additional cheesiness, sprinkle more Gruyère on top during the final 5 minutes of baking.
08 -
Allow the casserole to cool slightly before serving warm.