Preheat oven to 400 degrees. If using canned pineapple drain the pineapple chunks and set aside 1/4 cup of the liquid. Spray a 3 quart casserole dish with cooking spray
If using keto pineapple substitute toss the chopped squash with the pineapple extract and set aside. Spread shredded jicama evenly over the bottom of the prepared casserole dish.
If you are using keto pineapple juice substitute mix together 1/4 cup water with 1 tsp pineapple extract. Set aside Top jicama with steak, bell peppers and onion. Sprinkle generously with Seasoned salt and seasoned pepper
Top with pineapple chunks or keto alternative.
In a small bowl whisk together oil, reserved pineapple juice (or the water and extract mixture) 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.