Giant Strawberry Shortcake Bar Cake

Yellow Cake (Sugar, Water, Bleached Enriched Flour (Wheat Flour, Niacin, Reduced Iron, Thiamine Mononitrate, Riboflavin, Folic Acid), Vegetable Oil (Soybean Oil And/or Palm Oil And/or Canola Oil), Vegetable Shortening (Palm Oil, Soybean Oil, Propylene Glycol Mono- And Diesters Of Fats And Fatty Acids, Mono- And Diglycerides, Soy Lecithin), Contains 2% Or Less Of Each Of The Following: Dried Whole Eggs, Nonfat Dry Milk, Soy Lecithin, Dried Egg Whites, Natural And Artificial Flavor (Milk), Modified Food Starch (Corn), Sodium Bicarbonate, Salt, Dextrose, Sodium Aluminum Phosphate, Polysorbate 60, Sodium Acid Pyrophosphate, Guar Gum, Xanthan Gum, Sodium Stearoyl Lactylate, Emulsifier (Mono- And Diglycerides, Ascorbic Acid, Citric Acid), Monocalcium Phosphate, Wheat Starch, Yellow 6, Yellow 5, Soy Flour,), Whipped Vanilla Bettercreme Icing (Water, Hydrogenated Vegetable Oil (Palm, Palm Kernel, Coconut And/or Cottonseed) Sugar, High Fructose Corn Syrup, Dextrose, Sodium Caseinate (a Milk Derivative), Contains Less Than 2% Of The Following: Polysorbate 60, Carbohydrate Gum, Artificial Flavor, Salt, To Preserve Freshness (Potassium Sorbate), Soy Protein Concentrate, Polyglycerol Esters Of Fatty Acids, Xanthan Gum,)), Strawberry Pie Filling (Strawberries, High Fructose Corn Syrup, Water, Sugar, Modified Corn Starch, Contains 2% Or Less Of: Preservatives (Sodium Benzoate, Erythorbic Acid, Disodium EDTA), Citric Acid, Salt, Red 40, Yellow 6, Blue 1,), Strawberries, Strawberry Glaze (Water, High Fructose Corn Syrup, Modified Corn Starch, Contains 2% Or Less Of: Citric Acid, Sodium Citrate, Salt, Preservatives (Potassium Sorbate, Sodium Benzoate), Artificial Flavor, Red 40).