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 CHARBROILED MINI BEEF STEAK BURGER CARAMEL COLOR ADDED (BEEF CARAMEL COLOR, SALT, VINEGAR POWDER), PASTEURIZED PROCESS AMERICAN CHEESE (MILK, WATER, CREAM, SODIUM CITRATE, SALT, CHEESE CULTURE, TETRASODIUM PYROPHOSPHATE, SORBIC ACID (PRESERVATIVE), ENZYMES, SOY LECITHIN, CITRIC ACID, COLOR ADDED SECRET SAUCE (TOMATO PUREE (WATER, TOMATO PASTE ONIONS, HIGH FRUCTOSE CORN SYRUP, DILL PICKLE RELISH (CUCUMBER, DISTILLED VINEGAR, WATER, SALT, XANTHAN GUM, DILL EMULSION), CANOLA OIL, DISTILLED VINEGAR, WATER, SUGAR, FOOD STARCH MODIFIED, MUSTARD (DISTILLED VINEGAR, WATER, MUSTARD SEED, SALT, TURMERIC, PAPRIKA, SPICE, GARLIC POWDER), CONTAINS 2% OR LESS OF FOLLOWING: SALT, WHEY PROTEIN CONCENTRATE, CULTURED CREAM, NONFAT MILK KETCHUP SEASONING (ONION POWDER, DEXTROSE, NATURAL FLAVORS), GLUCONO-DELTA-LACTONE, PINEAPPLE JUICE CONCENTRATE, LACTIC ACID, YEAST EXTRACT, SODIUM ACID PYROPHOSPHATE, NATURAL SMOKE FLAVOR DATEM, XANTHAN GUM, SPICES, MUSTARD FLOUR MOLASSES GRANULATED GARLIC, POTASSIUM SORBATE (PRESERVATIVE), NATURAL FLAVOR)