Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, FERROUS SULFATE, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME], WATER, SOYBEAN OIL, CONTAINS 2% OR LESS OF: YEAST, VINEGAR, SUGAR, SALT, DOUGH CONDITIONER [WHEAT FLOUR, ASCORBIC ACID, ENZYMES], CALCIUM PROPIONATE [PRESERVATIVE], SOY LECITHIN [PROCESSING AID]), BBQ SAUCE (WATER, SEASONING [BROWN SUGAR POWDER, SUGAR, MOLASSES POWDER {REFINERY SYRUP, CANE MOLASSES, CARAMEL COLOR}, SALT, NATURAL HICKORY SMOKE FLAVOR, GARLIC POWDER, CARAMEL COLOR, SPICE], TOMATOES, VINEGAR), CHEESES (LOW MOISTURE PART SKIM MOZZARELLA [PASTEURIZED PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES], SMOKED GOUDA [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO COLOR AND NATURAL FLAVORS]), BBQ SEASONED CHICKEN (CHICKEN [BONELESS SKINLESS CHICKEN BREAST MEAT WITH RIB MEAT, WATER, ISOLATED SOY PROTEIN PRODUCT {ISOLATED SOY PROTEIN, MODIFIED FOOD STARCH, UNMODIFIED CORNSTARCH, CARRAGEENAN WITH LESS THAN 2% SOY LECITHIN}, SEASONING {POTASSIUM CITRATE, CITRIC ACID, SODIUM DIACETATE, VEGETABLE OIL), SALT, SODIUM PHOSPHATES, CARRAGEENAN], SEASONING [SUGAR, SALT, MOLASSES POWDER {REFINERY SYRUP, CANE MOLASSES, CANE CARAMEL COLOR}, TOMATO POWDER, AUTOLYZED YEAST EXTRACT, MALTODEXTRIN, SPICES, ONOIN POWDER, MODIFIED CORNSTARCH, GARLIC POWDER, NATURAL SMOKE FLAVOR]), RED ONION, PARSLEY.