Which food has less impact on blood sugar?

CRUST: ENRICHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME), WATER, PART-SKIM MOZZARELLA CHEESE ([PASTEURIZED MILK, CULTURES, SALT, ENZYMES], MODIFIED FOOD STARCH, METHYLCELLULOSE), SOYBEAN OIL, SUGAR, YEAST, PALM OIL, MALT EXTRACT, DOUGH CONDITIONERS (DIACETYL TARTARIC ACID ESTER OF MONO AND DIGLYCERIDES, WHEAT GLUTEN, SUGAR, DEXTROSE, MALTED BARLEY FLOUR, GUAR GUM, ACTIVE MALT FLOUR, CALCIUM PYROPHOSPHATE, ASCORBIC ACID, ENZYME, L-CYSTEINE), SALT, SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE. TOPPINGS: SAUCE (WATER, TOMATO PASTE, SOYBEAN OIL, MODIFIED FOOD STARCH, SALT, SEASONING [SALT, PAPRIKA, SPICES, ONION POWDER, GARLIC POWDER, PARMESAN CHEESE {PASTEURIZED CULTURED PART-SKIM MILK, SALT, ENZYMES}], SPICES, GARLIC POWDER, XANTHAN GUM), LOW MOISTURE PART-SKIM MOZZARELLA CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), PEPPERONI (PORK, BEEF, SALT, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORING, SODIUM NITRITE, BHA, BHT, CITRIC ACID), COOKED ITALIAN STYLE PIZZA TOPPING (SAUSAGE [PORK, MECHANICALLY SEPARATED CHICKEN, SPICES, SALT, WATER, SUGAR, PAPRIKA, FLAVORINGS, SODIUM PHOSPHATES], WATER, TEXTURED VEGETABLE PROTEIN [SOY FLOUR, SOY PROTEIN CONCENTRATE, CARAMEL COLOR]), COOKED BEEF TOPPING (BEEF, WATER, TEXTURED VEGETABLE PROTEIN [SOY FLOUR, CARAMEL COLOR], SALT, SOY PROTEIN CONCENTRATE, SUGAR, SPICE).