Which food has less impact on blood sugar?

TOPPINGS: SAUCE (CRUSHED TOMATOES, CORN SYRUP, SOYBEAN OIL, SALT, EXTRA VIRGIN OLIVE OIL, SPICES, DEHYDRATED GARLIC, CITRIC ACID), PASTEURIZED PROCESS CHEESE BLEND [CHEDDAR, SWISS AND PROVOLONE CHEESES (CULTURED MILK, SALT, ENZYMES), WATER, CREAM, SODIUM PHOSPHATES (EMULSIFIERS), SODIUM CITRATE, SALT, ARTIFICIAL SMOKE FLAVOR], LOW-MOISTURE PART SKIM MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), COOKED ITALIAN SAUSAGE (PORK, WATER, SPICES, SALT, CORN SYRUP SOLIDS, PAPRIKA, NATURAL FLAVORING, SUGAR), FULLY COOKED BACON TOPPING (CURED WITH WATER, SALT, SUGAR, SMOKE FLAVORING, SODIUM ERYTHORBATE AND/OR SODIUM ASCORBATE AND/OR SODIUM PHOSPHATE, FLAVORING, SODIUM NITRITE. MAY ALSO CONTAIN: MAPLE FLAVORING, HONEY, DEHYDRATED PORK BROTH, POTASSIUM CHLORIDE, POTASSIUM LACTATE, SODIUM DIACETATE), PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF WATER, DEXTROSE AND/OR SUGAR, FLAVORINGS, SMOKE FLAVORING, SODIUM ASCORBATE, GARLIC POWDER, OLEORESIN AND/OR EXTRACTIVES OF PAPRIKA, LACTIC ACID STARTER CULTURE, SODIUM NITRITE, CITRIC ACID, BHA, BHT. MAY ALSO CONTAIN SPICES AND/OR SPICE EXTRACTIVES, SODIUM ERYTHORBATE), PARMESAN CHEESE (PASTEURIZED PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), SPICE. CRUST: WHEAT FLOUR, WATER, CORN OIL, SALT, YEAST, HONEY, GARLIC POWDER, SOY LECITHIN. CONTAINS 22.7% MEAT.