Which food has less impact on blood sugar?

WATER, WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), BLEACHED ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME), POWDERED SUGAR (SUGAR, CORNSTARCH), SUGAR, MARGARINE (PALM OIL, WATER, SOYBEAN OIL, SALT, MONO- AND DIGLYCERIDES, COLORED WITH ANNATTO, CALCIUM DISODIUM EDTA ADDED AS A PRESERVATIVE, ARTIFICIAL BUTTER FLAVOR, VITAMIN A PALMITATE ADDED), CAKE BASE (SUGAR, ENRICHED WHEAT FLOUR BLEACHED [FLOUR, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID], FOOD STARCH- MODIFIED, SOYBEAN OIL, CONTAINS 2% OR LESS OF: DEFATTED SOY FLOUR, EGGS, LEAVENING [BAKING SODA, SODIUM ALUMINUM PHOSPHATE], MONO- AND DIGLYCERIDES, NATURAL AND ARTIFICIAL FLAVOR, PROPYLENE GLYCOL MONO- AND DIESTERS OF FATTY ACIDS, SALT, SODIUM STEAROYL LACTYLATE, VITAL WHEAT GLUTEN, WHEY), BROWN SUGAR, WHOLE EGGS, PALM OIL, SOYBEAN OIL, CORN SYRUP, SHORTENING (CANOLA OIL, PALM OIL), GROUND CINNAMON, DRY MILK, YEAST, ICING STABILIZER (DEXTROSE, CALCIUM SULFATE, CALCIUM CARBONATE, AGAR AND 2% OR LESS OF EACH OF THE FOLLOWING: SALT, MONO- AND DIGLYCERIDES, TITANIUM DIOXIDE [COLOR], LOCUST BEAN GUM, CORN STARCH, ARTIFICIAL FLAVOR, SODIUM ALUMINOSILICATE [FLOW AID]), DANISH IMPROVER (CELLULOSE GUM, WHEAT FLOUR, GUAR GUM, SOYBEAN OIL, ASCORBIC ACID, ENZYMES), MONOGLYCERIDE (WATER, MONOGLYCERIDES AND 2% OR LESS OF THE FOLLOWING: PRESERVATIVES [PROPIONIC ACID, PHOSPHORIC ACID]), SALT, MALTODEXTRIN, VEGETABLE GUMS (VEGETABLE GUMS [GUM ARABIC GUAR GUM], WHEAT FLOUR, ENZYMES), ENZYME BLEND (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID], CALCIUM SULFATE, SALT AND 2% OR LESS OF EACH OF THE FOLLOWING ENZYMES), ICING STABILIZER (SUGAR, CALCIUM CARBONATE, AGAR, SALT, MONOGLYCERIDES), NATURAL AND ARTIFICIAL FLAVORS, LEAVENING (SODIUM BICARBONATE, SODIUM ALUMINUM SULFATE, CORNSTARCH, MONOCALCIUM PHOSPHATE, CALCIUM SULFATE), MONOGLYCERIDES (WATER, MONO- AND DIGLYCERIDES, ETHOXYLATED MONO- AND DIGLYCERIDES AND 2% OR LESS OF EACH OF THE FOLLOWING: POLYSORBATE 60, PRESERVATIVES [PHOSPHORIC ACID, SODIUM PROPIONATE]), POTASSIUM SORBATE (PRESERVATIVE).