Consider: The Hamburger Bun

The ingredients in your typical store-bought hamburger bun:

Enriched Wheat Flour (Flour, Barley Malt, Ferrous Sulfate (Iron), "B" Vitamins (Niacin, Thiamine Mononitrate (B1), Riboflavin (B2), Folic Acid)), Water, High Fructose Corn Syrup Or Sugar, Yeast, Soybean Oil. Contains 2% Or Less Of: Wheat Gluten, Salt, Calcium Sulfate, Dough Conditioners (May Contain: Sodium Stearoyl Lactylate, Tricalcium Phosphate, Ethoxylated Mono And Diglycerides, Datem, Dicalcium Phosphate, Mono And Diglycerides, Calcium Dioxide And/Or Sorbic Acid), Vinegar, Soy Flour, Yeast Nutrients (May Contain: Ammonium Chloride, Ammonium Phosphate, Diammonium Phosphate, Ammonium Sulfate, Monocalcium Phosphate And/Or Calcium Carbonate), Cornstarch, Wheat Starch, Enzymes, Calcium Propionate (To Retain Freshness), Whey, Soy Lecithin.

Your homemade "white" hamburger buns:
Enriched all-purpose flour (bleached wheat flour, malted barley flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid); water, egg, sugar, yeast, butter, salt.

Your homemade "wheat" hamburger buns:
whole wheat flour, water, egg, sugar, yeast, butter, salt.