Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, ASCORBIC ACID AS DOUGH CONDITIONER, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME], WATER, SOYBEAN OIL AND/OR CANOLA OIL, CULTURED WHEAT FLOUR, SALT, SUGAR, DRIED SOURDOUGH [WHEAT FLOUR, RYE FLOUR, YEAST, ASCORBIC ACID, ENZYME], VEGETABLE MONO- AND DIGLYCERIDES, YEAST, INACTIVE YEAST, EXTRA VIRGIN OLIVE OIL, ENZYME, DURUM WHEAT SEMOLINA), MOZZARELLA CHEESE (CULTURED PASTEURIZED MILK, SALT, ENZYMES), BBQ SAUCE (WATER, SEASONING [BROWN SUGAR, MOLASSES POWDER {CANE REFINERY SYRUPS AND CANE MOLASSES}, TOMATO POWDER, DEXTROSE, CORN STARCH, MALTODEXTRIN, SALT, FRUCTOSE, VINEGAR POWDER {MALTODEXTRIN, MODIFIED FOOD STARCH, AND VINEGAR}, SPICES, CITRIC ACID, NATURAL SMOKE FLAVOR, ONION POWDER, GARLIC POWDER, XANTHAN GUM, PAPRIKA, NATURAL FLAVORS, EXTRACTIVES OF PAPRIKA], VINEGAR, RED PEPPER), COOKED CHICKEN BREAST WITH RIB MEAT (BONELESS CHICKEN BREAST WITH RIB MEAT, WATER, LESS THAN 2% MODIFIED POTATO STARCH, POTASSIUM LACTATE, SALT, POTASSIUM AND SODIUM PHOSPHATE, CHICKEN, CANOLA OIL, SOYBEAN OIL, CHICKEN BROTH, FLAVOR, NATURAL FLAVOR [EXTRACT OF ROSEMARY], CHICKEN FAT, POTASSIUM CHLORIDE, CITRIC ACID), CHEDDAR CHEESE (PASTEURIZED COW'S MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO COLOR), RED ONION, GREEN ONION, ROMANO, PARMESAN, & ASIAGO CHEESE BLEND (PASTEURIZED PART SKIM MILK, COW'S MILK, CHEESE CULTURES, SALT, ENZYMES), PARSLEY.