Which food has less impact on blood sugar?

CAKE BASE (ENRICHED FLOUR BLEACHED [WHEAT FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], SUGAR, MODIFIED FOOD STARCH, DEXTROSE, SOYBEAN OIL, LEAVENING [SODIUM ALUMINUM PHOSPHATE, BAKING SODA, MONOCALCIUM PHOSPHATE], WHEY, SALT, MONO AND DIGLYCERIDES, PROPYLENE GLYCOL MONO AND DIESTERS OF FATTY ACIDS, VITAL WHEAT GLUTEN, SODIUM STEAROYL LACTYLATE, TRICALCIUM PHOSPHATE, XANTHAN GUM, CORN STARCH, CELLULOSE GUM, SOY FLOUR, EGG, NATURAL AND ARTIFICIAL FLAVORS, WATER, ALPHA TOCOPHEROLS [AS PRESERVATIVE], ASCORBIC ACID, CITRIC ACID), APPLE FILLING (APPLES [APPLES, SALT, ASCORBIC ACID AND CITRIC ACID {PRESERVATIVES}], HIGH FRUCTOSE CORN SYRUP, SUGAR, MODIFIED FOOD STARCH, CONTAINS 2% OR LESS OF: ACIDIC CALCIUM SULFATE, APPLE JUICE FROM CONCENTRATE, ASCORBIC ACID, CINNAMON, CORN SYRUP SOLIDS, GLYCERIN, LEMON JUICE SOLIDS, LEMON OIL, MALIC ACID, NATURAL FLAVOR, PRESERVATIVES [BENZOIC ACID, POTASSIUM SORBATE, SODIUM BENZOATE, SODIUM ERYTHROBATE, SODIUM METABISULFITE], SALT, SPICE, WATER), CARAMEL SAUCE (SWEETENED CONDENSED WHOLE MILK [MILK, SUGAR], SUGAR, CORN SYRUP, WATER, COCONUT OIL, PECTIN, SALT, POTASSIUM SORBATE, SODIUM BICARBONATE, VANILLA EXTRACT), EGG, WATER, BLEACHED ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), SUGAR, SOYBEAN OIL, BROWN SUGAR (SUGAR, CANE SYRUPS), MARGARINE (PALM OIL, WATER, SOYBEAN OIL, SALT, CONTAINS 2% OR LESS OF: NATURAL FLAVOR [INCLUDES MILK], SOY LECITHIN, BETA CAROTENE [COLOR], VITAMIN A PALMITATE), ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), ARTIFICIAL FLAVOR, NATURAL FLAVOR, BAKING POWDER (SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, CORN STARCH, MONOCALCIUM PHOSPHATE), CINNAMON, PAN RELEASER (SOYBEAN OIL, MINERAL OIL, SOY LECITHIN, DIMETHYL POLYSILOXANE).