Which food has less impact on blood sugar?

BROWNIE BASE (SUGAR, BLEACHED ENRICHED FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, ENZYME, FOLIC ACID], PALM OIL, SOYBEAN OIL, COCOA [PROCESSED WITH ALKALI], CORN SYRUP SOLIDS, CONTAINS 2% OR LESS OF THE FOLLOWING: EGG WHITES, SALT, NATURAL AND ARTIFICIAL FLAVOR, NONFAT DRY MILK, SOY LECITHIN, DEFATTED SOY FLOUR, CORNSTARCH, CARAMEL COLOR, LEAVENING [SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE], RED 40), WATER, CREAM CHEESE FILLING (WATER, CREAM CHEESE [CREAM, SKIM MILK, LACTIC ACID, SALT, XANTHAN GUM, LOCUST BEAN GUM, GUAR GUM], SUGAR, CORN SYRUP, MODIFIED FOOD STARCH, PALM OIL, CONTAINS 2% OR LESS OF THE FOLLOWING: NATURAL AND ARTIFICIAL FLAVOR, SALT, LACTIC ACID, MONO- AND DIGLYCERIDES, TITANIUM DIOXIDE [FOR COLOR], BENZOIC ACID [PRESERVATIVE], POTASSIUM SORBATE [PRESERVATIVE]), RASPBERRY FILLING (WATER, SUGAR, CORN SYRUP, SEEDLESS RASPBERRY PUREE, MODIFIED FOOD STARCH, CONTAINS 2% OR LESS OF THE FOLLOWING: CITRIC ACID, NATURAL AND ARTIFICIAL FLAVOR, SALT, POTASSIUM SORBATE [PRESERVATIVE], SODIUM BENZOATE [PRESERVATIVE], CELLULOSE GUM, SODIUM ALGINATE, RED 40, BLUE 1), WHITE ICING (SUGAR, WATER, CORN SYRUP, PALM OIL, HIGH OLEIC SUNFLOWER AND/OR CANOLA OIL, CONTAINS 2% OR LESS OF: HYDROGENATED COTTONSEED OIL, INVERT SUGAR, MONO- AND DIGLYCERIDES, NATURAL AND ARTIFICIAL FLAVOR, POLYSORBATE 60, PRESERVATIVES [SODIUM PROPIONATE, SORBIC ACID], SALT, SOY LECITHIN, SOYBEAN OIL, TITANIUM DIOXIDE [COLOR]), CORN SYRUP.