01 -
Preheat oven to 180 °C. In a large skillet over medium heat, brown ground beef and chopped onion, stirring frequently until beef is cooked through. Drain excess fat.
02 -
Lightly grease a 23×33 cm casserole dish. Arrange half of the sliced potatoes in a single layer on the bottom. Spread half of the cooked beef and onion mixture over the potatoes. Layer with half of the kidney beans, corn kernels, and diced tomatoes. Lightly season each layer with chili powder, salt, and black pepper. Repeat all layers with remaining ingredients in the same order, seasoning as you go.
03 -
Carefully pour the beef broth evenly over the assembled layers.
04 -
Cover the casserole tightly with foil and bake in the preheated oven for 45 minutes.
05 -
Remove foil and continue baking for 15 additional minutes, or until potatoes are tender and the casserole is bubbling.
06 -
Let cool slightly before serving hot.