Which food has less impact on blood sugar?

CRUST (ENRICHED FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, SHORTENING [PALM OIL, NATURAL BUTTER FLAVOR, BETA CAROTENE], SOYBEAN OIL, ISOLATED OAT PRODUCT, BREAD CRUMBS [BLEACHED WHEAT FLOUR, YEAST, SUGAR, AND SALT], YEAST, SUGAR, DOUGH CONDITIONER [GUAR GUM, CALCIUM CARBONATE, DATEM, WHEAT FLOUR, ASCORBIC ACID, ENZYMES], SALT, ARTIFICIAL FLAVOR, SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, SODIUM STEAROYL LACTYLATE), REDUCED FAT MOZZARELLA CHEESE (CULTURED MILK AND NON-FAT MILK, MODIFIED CORN STARCH*, SALT, VITAMIN A PALMITATE, ENZYME [*INGREDIENT NOT IN REGULAR MOZZARELLA CHEESE]), WATER, TOMATO PASTE, GOUDA CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, AND ANNATTO COLOR), WHOLE MILK MOZZARELLA CHEESE (CULTURED PASTEURIZED MILK, SALT, ENZYMES), FONTINA CHEESE (PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES), CONTAINS: 2% OR LESS OF: SEASONING (MALTODEXTRIN, MODIFIED FOOD STARCH, SUGAR, SALT, DEXTROSE, SPICES AND SPICE EXTRACTIVES, DEHYDRATED GARLIC, CITRIC ACID, XANTHAN GUM), FLAVORED OIL (SOYBEAN OIL, SALT, LACTIC ACID, NATURAL BUTTER FLAVOR, TURMERIC & ANNATTO AND TOCOPHEROL), ROMANO, PARMESAN, & ASIAGO CHEESE BLEND (PASTEURIZED PART SKIM MILK, COW'S MILK, CHEESE CULTURES, SALT, ENZYMES).