Which food has less impact on blood sugar?

PIZZA: CRUST (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, MALTED BARLEY FLOUR], WATER, WHOLE WHEAT FLOUR, DEXTROSE, VITAL WHEAT GLUTEN, BAKING POWDER [SODIUM BICARBONATE, CORNSTARCH, SODIUM ALUMINUM SULFATE, CALCIUM SULFATE, MONOCALCIUM PHOSPHATE], SOYBEAN OIL, DOUGH CONDITIONER [WHEAT FLOUR, SALT, SOY OIL, L. CYSTEINE, ASCORBIC ACID, ENZYME], SOY FLOUR, ASCORBIC ACID, CELLULOSE, CORN STARCH, DICALCIUM PHOSPHATE, CITRIC ACID, SODIUM BICARBONATE, CALCIUM STEARATE) SAUCE (WATER, TOMATO PASTE, SUGAR, SPICES, ONION POWDER, GARLIC POWDER, GUAR GUM, XANTHAN GUM, POTASSIUM SORBATE, CITRIC ACID, SALT, MODIFIED CORN STARCH), RESTRICTED MELT MOZZARELLA CHEESE (PART SKIM MOZZARELLA CHEESE [PASTEURIZED MILK, CULTURES, SALT, ENZYMES], MODIFIED FOOD STARCH, METHYLCELLULOSE), DICED FAT REDUCED PEPPERONI (PORK, BEEF, WATER, TEXTURED VEGETABLE PROTEIN PRODUCT* [SOY PROTEIN CONCENTRATE, ZINC OXIDE, NIACINAMIDE, FERROUS SULFATE, COPPER GLUCONATE, VITAMIN A PALMITATE, CALCIUM PANTOTHENATE, THIAMINE MONONITRATE {B1}, PYRIDOXINE HYDROCHLORIDE {B6}, RIBOFLAVIN {B2}, AND CYANOCOBALAMIN {B12}], SALT, LESS THAN 2% OF: SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN PAPRIKA, FLAVORING, SODIUM NITRITE, BHA, BHT, CITRIC ACID), *INGREDIENT NOT FOUND IN REGULAR PEPPERONI, MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), MOZZARELLA CHEESE SUBSTITUTE (WATER, SOYBEAN OIL, CASEIN, MILK PROTEIN CONCENTRATE, MODIFIED CORN STARCH, MODIFIED POTATO STARCH, SODIUM ALUMINUM PHOSPHATE, POTASSIUM CHLORIDE, DISODIUM PHOSPHATE, MOZZARELLA CHEESE TYPE FLAVOR [MOZZARELLA CHEESE {MILK, CULTURE, RENNET, SALT}, MILK SOLIDS, DISODIUM PHOSPHATE], SALT, LACTIC ACID, SORBIC ACID, MALTODEXTRIN, NUTRIENT BLEND [MAGNESIUM OXIDE, ZINC OXIDE, CALCIUM PANTOTHENATE, RIBOFLAVIN AND VITAMIN B-12], VITAMIN A PALMITATE). CORN: CORN, WATER, SUGAR. CHOCOLATE PUDDING: WATER, PUDDING MIX (CORN MALTODEXTRIN, SUGAR, WHEY PERMEATE POWDER, MODIFIED CORN STARCH, COCOA POWDER [PROCESSED WITH ALKALI], CREAM POWDER [CREAM, NONFAT MILK, SOY LECITHIN], PROPYLENE GLYCOL ESTER OF FATTY ACID, NATURAL FLAVOR, MONO- AND DIGLYCERIDES OF FATTY ACIDS, LECITHIN, TOCOPHEROL-RICH EXTRACT [TO PROTECT FLAVOR], ACACIA GUM), SOYBEAN OIL, CELLULOSE GEL AND CELLULOSE GUM. GRAHAM CRUMB PACKET: ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), GRAHAM FLOUR, SUGAR, PALM OIL, BROWN SUGAR, HONEY, SALT, BAKING SODA, NATURAL FLAVOR. CONTAINS: MILK, SOY, WHEAT