Southwest Inspired Beef and Potato Casserole

Quick and easy to put together, this is an absolutely great dinner!  Enjoy!
-1 lb extra lean ground beef
-1 small onion, finely chopped
-2 cloves garlic, minced
-1 (14.5 oz) can petite diced tomatoes with zesty jalapeños, NOT drained
-1 (15 oz) can corn with peppers, drained
-1 tsp chili powder
-1 tsp salt
-1 tsp pepper
-1/2 tsp ground cumin
-2 lbs potatoes, peeled and thinly sliced
-8 oz shredded cheddar cheese
Preheat oven to 350 F.  Grease bottom and sides of 9x13 baking dish and set aside.
In a large skillet, brown the beef with the chopped onion. Cook, breaking up the meat, until beef is no longer pink.  Add the garlic and cook for 1 more minute.  Stir in the tomatoes with the juice, corn, chili powder, salt, pepper and cumin.  Mix well and cook for about 1 minute.  Remove skillet from stove.
Layer half of the sliced potatoes on the bottom of prepared baking dish.  Top with half of the beef-corn mixture and sprinkle with half of the cheese.  Repeat the layers: potatoes, beef-corn, cheese.  Cover with foil and bake in preheated oven for 1 hour and 20 minutes.
Remove from the oven, uncover, and let is sit for 5-10 minutes.  Serve onto plates and enjoy!