Which food has less impact on blood sugar?

ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, SLICED PEPPERONI (PORK, BEEF, SALT, DEXTROSE, SPICES, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, DEHYDRATED GARLIC, SODIUM NITRITE, BHA, BHT, CITRIC ACID), MOZZARELLA CHEESE (CULTURED PASTEURIZED PART-SKIM MILK, SALT, ENZYMES), BROWN SUGAR, PROVOLONE CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), TOMATO PASTE, CONTAINS 2% OR LESS OF THE FOLLOWING: YEAST, PARMESAN CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), DOUGH CONDITIONER (GUM ARABIC, WHEAT FLOUR, MONO- AND DIGLYCERIDES, SALT, SOYBEAN OIL, CELLULOSE GUM, GUAR GUM, ENZYMES), BUTTER FLAVOR, SALT, ROMANO CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), CALCIUM PROPIONATE, TOPPING SEASONING (BREAD CRUMBS [ENRICHED WHEAT FLOUR (NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID)], DEHYDRATED GARLIC, TOMATO POWDER, SPICE, DEXTROSE, ONION POWDER, MALTODEXTRIN, DEHYDRATED PARSLEY, CORN SYRUP, SUGAR, CITRIC ACID, YEAST, SODIUM STEAROYL LACTYLATE, CALCIUM PROPIONATE [PRESERVATIVE]), FOOD STARCH-MODIFIED, SPICE, SUGAR, GARLIC POWDER, SOY FLOUR, ONION POWDER, BASIL, CITRIC ACID, BICARBONATES AND CARBONATES OF SODA.