Preheat oven to 425 degrees.

Place cubes in large mixing bowl and drizzle with oil.

Toss to ensure even coverage. Salt and pepper generously.

Spread cubes in one layer on baking sheet so they do not touch.

Bake for approximately 30-35 minutes, flipping cubes half way through. Watch carefully to avoid burning.

Once cubes are crispy on the outside and tender on the inside, remove from the oven and cool.