Which food has less impact on blood sugar?

PIZZA CRUST: ENRICHED BLEACHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, VEGETABLE SHORTENING (INTERESTERIFIED SOYBEAN OIL, HYDROGENATED SOYBEAN OIL), CONTAINS 2% OR LESS OF YEAST, SUGAR, SALT, CALCIUM PROPIONATE, MONOGLYCERIDES, VEGETABLE GUMS (CORN STARCH, GUAR GUM, XANTHAN GUM), PIZZA SAUCE: WATER, TOMATO PASTE, HIGH FRUCTOSE CORN SYRUP, MODIFIED FOOD STARCH, SALT, SPICES, CITRIC ACID, SODIUM BENZOATE AND POTASSIUM SORBATE (PRESERVATIVES), GARLIC POWDER, POTASSIUM CHLORIDE, ONION POWDER, NATURAL FLAVOR, LOW-MOISTURE PART-SKIM MOZZARELLA CHEESE: CULTURED PASTEURIZED PART-SKIM MILK, SALT, ENZYMES, POTATO STARCH AND POWDERED CELLULOSE ADDED TO PREVENT CAKING, NATAMYCIN (MOLD INHIBITOR), PEPPERONI FLAVORED SAUSAGE: PORK, MECHANICALLY SEPARATED TURKEY, WATER, CORN SYRUP, PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF DEXTROSE, NATURAL FLAVORS, OLEORESIN OF PAPRIKA, LACTIC ACID STARTER CULTURE, DEHYDRATED GRANULATED GARLIC, SODIUM NITRITE, BHA, BHT, CITRIC ACID), SALT, CONTAINS 2% OR LESS OF BEEF, DEXTROSE, OLEORESIN OF PAPRIKA, FLAVORINGS, MODIFIED FOOD STARCH, POTASSIUM LACTATE, SMOKE FLAVORING, SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRITE, BHA, BHT, CITRIC ACID, CRUNCH BAR: MILK CHOCOLATE (SUGAR, CHOCOLATE, COCOA BUTTER, NONFAT MILK, MILKFAT, LACTOSE, SOY LECITHIN, NATURAL FLAVOR), CRISPED RICE (RICE FLOUR, SUGAR, BARLEY MALT, SALT)