Which food has less impact on blood sugar?

CRUST (ENRICHED FLOUR WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, VEGETABLE SHORTENING, [PALM OIL, SOY LECITHIN, NATURAL BUTTER FLAVOR, BETA CAROTENE], SOYBEAN OIL, CONTAINS 2% OR LESS OF YELLOW CORN MEAL, YEAST, DEXTROSE, LEAVENING [SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE], SALT, SOY LECITHIN, POTASSIUM SORBATE [ADDED TO RETARD SPOILAGE OF CRUST]), REDUCED FAT REDUCED SODIUM MOZZARELLA CHEESE (PART-SKIM MILK, NONFAT MILK, MODIFIED FOOD STARCH*, CHEESE CULTURE, SALT, POTASSIUM CHLORIDE*, NATURAL FLAVORS*, ANNATTO [COLOR], VITAMIN A PALMITATE, ENZYMES, [INGREDIENTS NOT IN REGULAR MOZZARELLA CHEESE]), SAUCE (TOMATOES [DICED TOMATOES, TOMATO JUICE, CITRIC ACID, CALCIUM CHLORIDE], CONCENTRATED CRUSHED TOMATOES, OLIVE OIL, WATER, TOMATO PASTE, SUGAR, GRANULATED GARLIC, MINCED GARLIC [GARLIC, SOYBEAN OIL, CITRIC ACID], SALT, SOYBEAN OIL, SPICES, CITRIC ACID, SODIUM CITRATE, XANTHAN GUM, NATURAL FLAVOR), COOKED ITALIAN SAUSAGE (PORK, WATER, SPICES, SALT, SUGAR, FLAVORINGS, BHA BHT, CITRIC ACID), BONELESS SPICY COOKED HAM-WATER ADDED-COATED WITH SPICE (CURED WITH WATER, SALT, SODIUM LACTATE, SPICES, DEXTROSE, SODIUM PHOSPHATE, PAPRIKA, SODIUM DIACETATE, SODIUM ASCORBATE, SPICE EXTRACTIVES, SODIUM NITRITE), HARD SALAMI (PORK, BEEF, SALT, DEXTROSE, SPICES, LACTIC ACID, STARTER CULTURE, SODIUM ASCORBATE, NATURAL SMOKE FLAVOR, FLAVORINGS, SODIUM NITRITE, BHA, BHT, CITRIC ACID), PARMESAN CHEESE ([PART-SKIM MILK, CHEESE CULTURE, SALT, ENZYMES], CELLULOSE POWDER, POTASSIUM SORBATE TO PROTECT FLAVOR), BASIL, POTASSIUM SORBATE TO PROTECT FLAVOR, VEGETABLE OIL (SOYBEAN OIL AND/OR CORN OIL).