Which food has less impact on blood sugar?

FILLING: COOKED WHITE MEAT CHICKEN, WATER, SPINACH, TOMATOES, ARTICHOKES, REDUCED FAT MOZZARELLA CHEESE (CULTURED PART SKIM MILK AND SKIM MILK, MODIFIED CORNSTARCH*, SALT, VITAMIN A PALMITATE, ENZYMES, *INGREDIENT NOT IN REGULAR MOZZARELLA CHEESE), ASIAGO CHEESE (CULTURED MILK, SALT, ENZYMES), SEASONING (CHEESE POWDER [ASIAGO, ROMANO {MADE FROM COW'S MILK}, CHEDDAR AND PARMESAN CHEESE {CULTURED MILK, SALT, ENZYMES}, SALT, LACTIC ACID], WHEY, CREAMER [SUNFLOWER OIL, CORN SYRUP SOLIDS, SODIUM CASEINATE, DIPOTASSIUM PHOSPHATE, MONO- AND DIGLYCERIDES, SOY LECITHIN], MODIFIED CORNSTARCH, NATURAL BUTTER FLAVOR [NATURAL FLAVOR, WHEY, SALT, CORN SYRUP SOLIDS, BUTTER, GUAR GUM, BUTTERMILK, SKIM MILK, ANNATTO AND TURMERIC], SALT, PARMESAN AND ROMANO CHEESE [CULTURED MILK MADE FROM COW'S MILK, SALT, ENZYMES], AUTOLYZED YEAST EXTRACT, DIPOTASSIUM PHOSPHATE, LACTIC ACID [CONTAINS CALCIUM LACTATE], XANTHAN GUM, DRIED GARLIC, DRIED ONION), PARMESAN, ASIAGO AND ROMANO CHEESE BLEND (CULTURED PART-SKIM COW'S MILK, SALT, ENZYMES), ISOLATED SOY PROTEIN, GARLIC POWDER, MODIFIED RICE STARCH, CHICKEN FLAVOR (DEHYDRATED CHICKEN BROTH, CHICKEN POWDER, NATURAL FLAVOR), SALT, SODIUM PHOSPHATE, OREGANO, SPICE, ASCORBIC ACID, CITRIC ACID. BREAD: BREAD (ENRICHED FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, REDUCED IRON, NIACIN, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, SUGAR, YEAST, OAT FIBER, SOYBEAN OIL, CULTURED WHEAT STARCH, GRAIN VINEGAR, SALT, WHEAT STARCH, ACETIC ACID, SOY LECITHIN, CITRIC ACID), GARLIC PARMESAN FLAVORED SOYBEAN OIL (SOYBEAN OIL, NATURAL FLAVORS [INCLUDING FLAVORINGS {CONTAINS CANOLA OIL}, LIPOLYZED BUTTER OIL], LACTIC ACID, TURMERIC, ANNATTO).