Down-Home Biscuits 'n' Gravy Casserole

Step 1 -Preheat the oven to 375 degrees F.

Step 2 -Grease the bottom of an 8×8-inch baking dish.

Step 3 -Adjust the oven rack to the lower middle position.

Step 4 -In a large skillet, heat the olive oil over medium-high heat until hot.

Step 5 -Add the onion and the garlic to the oil and cook, while stirring, until the onions are aromatic and translucent, about 2-3 minutes.

Step 6 -Add the ground sausage to the onion mixture and cook, while crumbling the meat, until the sausage is no longer pink.

Step 7 -Add the flour to the sausage mixture and gently stir until it is fully incorporated.

Step 8 -Add the milk to the sausage mixture and stir to combine.

Step 9 -Add the kosher salt and the black pepper to the sausage mixture, bring it to a low boil, and cook, while stirring, until the sauce thickens to the desired gravy consistency.

Step 10 -Cut the biscuits into even quarters.

Step 11 -Evenly layer 1/2 of the biscuit quarters into the bottom of the prepared baking dish and bake, uncovered, until they are puffy and golden-brown, about 10 minutes.

Step 12 -Carefully transfer the baking dish from the oven and evenly spoon the gravy over the baked biscuits.

Step 13 -Evenly place the remaining biscuit quarters on top of the gravy.

Step 14 -Loosely cover the dish with the foil and bake for 14 minutes.

Step 15 -Discard the foil and bake until the tops of the biscuits are puffy and golden-brown, about 10 minutes.

Step 16 -Garnish the casserole with the parsley and serve immediately.