Which food has less impact on blood sugar?

FULLY COOKED CHARBROILED BONELESS RIB SHAPED PORK PATTY WITH BARBECUE SAUCE SMOK FLAVORING ADDED: PORK, BARBECUE SAUCE (TOMATO PASTE, HIGH FRUCTOSE CORN SYRUP, WATER, CORN SYRUP, DISTILLED VINEGAR, MOLASSES, SALT, MUSTARD BRAN, NATURAL HICKORY SMOKE FLAVOR. CONTAINS 2% OR LESS OF: SPICES, ONION POWDER, GARLIC POWDER, SODIUM BENZOATE, CARAMEL COLOR, SUGAR, NATURAL FLAVOR), WATER, SEASONING (TOMATO POWDER, DEXTROSE, BROWN SUGAR, ARTIFICIAL VINEGAR [MALIC ACID, SODIUM ACETATES, LACTOSE, FUMARIC ACID, ARTIFICIAL FLAVORINGS], POWDERED WORCESTERSHIRE SAUCE [CORN SYRUP SOLIDS, SALT, GARLIC POWDER, SUGAR, SPICES, SOY SAUCE SOLIDS {WHEAT, SOYBEANS, SALT, MALTODEXTRIN, CARAMEL COLOR}, TAMARIND, NATURAL FLAVOR], SPICES, SPICE EXTRACTIVE, ONION POWDER, NATURAL SMOKE FLAVOR, GARLIC POWDER), TEXTURED VEGETABLE PROTEIN PRODUCT (SOY PROTEIN CONCENTRATE, CARAMEL COLOR, ZINC OXIDE, NIACINAMIDE, FERROUS SULFATE, COPPER GLUCONATE, VITAMIN A PALMITATE, CALCIUM PANTOTHENATE, THIAMINE MONONITRATE, PYRIDOXINE HYDROCHLORIDE, RIBOFLAVIN, CYANOCOBALAMIN). CONTAINS 2% OR LESS OF: SALT, SODIUM PHOSPHATES. SESAME SEED BUN: ENRICHED BLEACHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME), WATER, SUGAR, SOYBEAN OIL, SESAME SEEDS, CONTAINS 2% OR LESS OF: YEAST (YEAST, SORBITAN MONOSTEARATE, ASCORBIC ACID), SALT, CALCIUM PROPIONATE [PRESERVATIVE], MONOGLYCERIDES WITH ASCORBIC ACID AND CITRIC ACID [ANTIOXIDANTS], CALCIUM SULFATE, ENZYMES, WHEAT STARCH, ASCORBIC ACID.