Which food has less impact on blood sugar?

SLIDER BUN (ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR. NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, SUGAR, SOYBEAN OIL, NONFAT MILK, YEAST, CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING: SALT, DOUGH CONDITIONERS (GUM ACACIA, CALCIUM SULFATE, CORN STARCH, MONO- AND DIGLYCERIDES, WHEAT FLOUR, GUAR GUM, WHEAT STARCH, ENZYMES), CULTURED WHEAT FLOUR, VINEGAR, MILK SOLIDS NATURAL FLAVORS, TURMERIC, PAPRIKA, SHINE AGENT (WATER, PEA PROTEIN, CANOLA OIL, DEXTROSE, MALTODEXTRIN, STARCH)), FULLY COOKED BONELESS HAM WATER ADDED (PORK CURED WITH WATER, CONTAINS 2% OR LESS OF: MODIFIED FOOD STARCH, SALT, POTASSIUM LACTATE, DEXTROSE, SODIUM PHOSPHATE, SODIUM DIACETATE, SODIUM NITRITE), PASTEURIZED PROCESS AMERICAN CHEESE (MILK, WATER, CREAM, SODIUM CITRATE, SALT, CHEESE CULTURE, TETRASODIUM PYROPHOSPHATE, SORBIC ACID (PRESERVATIVE), ENZYMES, SOY LECITHIN, CITRIC ACID, COLOR ADDED), REDUCED FAT MAYONNAISE (SOYBEAN OIL, WATER, DISTILLED VINEGAR, EGG YOLK, MODIFIED CORN STARCH SALT, SUGAR CONTAINS LESS THAN 2% OF POTASSIUM SORBATE (PRESERVATIVE), LEMON JUICE CONCENTRATE, MUSTARD FLOUR, PHOSPHORIC ACID, DRIED GARLIC, DRIED ONION, SODIUM SULFATE, CALCIUM DISODIUM EDTA (TO PROTECT FLAVOR), NATURAL FLAVOR, GLUTAMIC ACID), YELLOW MUSTARD (DISTILLED WHITE VINEGAR, WATER MUSTARD SEED, MUSTARD BRAN, SALT, TURMERIC, SPICES)