Preheat oven to 400 degrees. Spray a 3 quart casserole dish with cooking spray
Spread shredded jicama evenly over the bottom of the prepared casserole dish.
Top jicama with steak, bell peppers and onion. Sprinkle generously with Seasoned salt and seasoned pepper
Top with pineapple chunks
In a small bowl whisk together oil, reserved pineapple juice, ginger, dry mustard, garlic powder, seasoned salt and seasoned pepper. Use a basting brush and spread the mixture evenly over the steak and vegetables
Bake 30 minutes or until vegetables are soft and steak i no longer pink
Let stand in casserole dish for 5 minutes to let the flavor fully set in.