Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, FERROUS SULFATE, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME], WATER, SOYBEAN OIL, CONTAINS 2% OR LESS OF THE FOLLOWING: YEAST, VINEGAR, SUGAR, SALT, CULTURED WHEY, WHEY, DOUGH CONDITIONER [WHEAT FLOUR, ASCORBIC ACID, ENZYMES], SOY LECITHIN [PROCESSING AID]), CHEESES (WHOLE MILK MOZZARELLA CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], FONTINA CHEESE [COW'S MILK, CHEESE CULTURE, SALT, ENZYMES], ASIAGO CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], PARMESAN CHEESE [PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES], ROMANO CHEESE [PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES]), TRUFFLE ALFREDO SAUCE (WATER, ALFREDO SEASONING [CREAM POWDER {SUNFLOWER OIL, MALTODEXTRIN, SODIUM CASEINATE, MONO AND DIGLYCERIDES, NATURAL TOCOPHEROLS, TRI CALCIUM PHOSPHATE}, MODIFIED FOOD STARCH, PARMESAN CHEESE {MILK, CHEESE CULTURE, SALT, ENZYMES}, PARMESAN CHEESE FLAVOR {PARMESAN CHEESE (PASTEURIZED MILK, CULTURES, SALT, ENZYMES), MALTODEXTRIN, WHEY, NATURAL FLAVOR, YEAST EXTRACT, SALT}, GARLIC POWDER, SALT, ONION POWDER, LACTIC ACID, SPICE], TRUFFLE FLAVORED OIL [SUNFLOWER OIL, WHITE TRUFFLE FLAVOR CONCENTRATE]), CRIMINI MUSHROOMS, MUSHROOMS, ONIONS (ONION, LESS THAN 2% NATURAL ONION FLAVORING [GUM ARABIC, NATURAL FLAVORS, RICE CONCENTRATE, MALTODEXTRIN]), ROSEMARY.