Preheat your oven to 375°F (190°C).
Heat a skillet over medium heat, add olive oil, and sauté minced garlic until fragrant and lightly golden, about 1 minute. Remove from heat.
1 bag frozen ravioli
In a mixing bowl, combine shredded cheese, milk, salt, and black pepper. Mix until smooth and creamy.
1 bag frozen ravioli
Spread a thin layer of the cheese mixture evenly in the bottom of the baking dish.
1 bag frozen ravioli
Arrange the frozen ravioli in a single layer over the cheese layer, spacing them evenly.
1 bag frozen ravioli
Spoon the remaining cheese mixture over the ravioli, ensuring all are partially covered.
1 bag frozen ravioli
Place the baking dish in the oven and bake for approximately 20-25 minutes, until the edges are bubbling and cheese topping is golden brown.
Remove from oven, let cool slightly, and then serve hot. The dish has a crispy, cheesy crust with tender ravioli inside.