Which food has less impact on blood sugar?

CAKE(SUGAR, BLEACHED ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), VEGETABLE SHORTENING [SOYBEAN OIL, VEGETABLE MONO & DIGLYCERIDES, DISTILLED PROPYLENE GLYCOL ESTER, TOCOPHEROLS (VITAMIN E) AND VITAMIN C PALMITATE(AS ANTIOXIDANTS)], DRIED EGG WHITES, LEAVENING (SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, MONOCALCIUM PHOSPHATE, SODIUM ACID PYROPHOSPHATE), DRIED EGG YOLKS.CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING:NONFAT DRY MILK, FOOD STARCH MODIFIED, SALT, DEXTROSE, CELLULOSE, DISTILLED MONOGLYCERIDES, NATURAL AND ARTIFICIAL FLAVORS (MILK), SODIUM STEAROYL LACTYLATE, POLYSORBATE 60, EMULSIFIER (PROPYLENE GLYCOL ESTERS OF FATTY ACIDS, DISTILLED MONOGLYCERIDES, SODIUM STEAROYL LACTYLATE), GUAR GUM, XANTHAN GUM, SOY FLOUR.), BUTTERCREAM (POWDERED SUGAR (SUGAR, CORNSTARCH), SOYBEAN OIL, HYDROGENATED SOYBEAN OIL, HYDROGENATED COTTONSEED OIL, MONO- AND DIGLYCERIDES, POLYSORBATE 60, TBHQ AND CITRIC ACID ADDED TO HELP PROTECT FLAVOR., PALM OIL, WATER, SOYBEAN OIL, CONTAINS LESS THAN 2% OF WHEY SOY LECITHIN, VITAMIN A PALMITATE AND VITAMIN D3 ADDED, NATURAL FLAVOR., BUTTER (PASTEURIZED CREAM, SALT), WHOLE MILK WITH VITAMIN D3, SALT, DEXTROSE, CORN STARCH, LESS THAN 0.1% TUMERIC, LESS THAN 0.1% APO CAROTENAL, ALCOHOL, NATURAL MIXED TOCOPHEROLS, A NATURAL SOURCE OF VITAMIN E USED TO PROTECT FRESHNESS., ALMOND EMULSION(WATER, PROPYLENE GLYCOL, ARTIFICIAL FLAVORS, XANTHAN GUM, CITRIC ACID AND SODIUM BENZOATE.)), WATER, COCONUT, SODIUM METABBISULFITE, SOYBEAN OIL.