Preheat oven to 350°F (175°C).

Season pork chops with salt and pepper.

Heat oil in a skillet over medium-high. Brown pork chops on both sides and set aside.

In the same skillet, cook onions and garlic until translucent.

Add flour to make a roux, stirring for a minute.

Gradually add milk and chicken broth, stirring until thickened. Remove from heat.

Layer half the potatoes in a casserole dish. Top with half the sauce and cheese.

Preheat oven to 350°F (175°C).

Season pork chops with salt and pepper.

Heat oil in a skillet over medium-high. Brown pork chops on both sides and set aside.

In the same skillet, cook onions and garlic until translucent.

Add flour to make a roux, stirring for a minute.

Gradually add milk and chicken broth, stirring until thickened. Remove from heat.

Layer half the potatoes in a casserole dish. Top with half the sauce and cheese.