Which food has less impact on blood sugar?

CRUSTS: BLEACHED FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR), WATER, SHORTENING FLAKES (PALM OIL, SOY LECITHIN, NATURAL BUTTER FLAVOR), YEAST, SUGAR, SALT, CORN OIL, DOUGH CONDITIONER (WHEY, AMMONIUM SULFATE, L-CYSTEINE). TOPPINGS: CHEESE: LOW MOISTURE PART SKIM MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES). BUTTER GARLIC ALFREDO SAUCE: LIQUID SOYBEAN OIL, PARTIALLY HYDROGENATED SOYBEAN OIL, WATER, SALT, [PARMESAN, CHEDDAR & ROMANO CHEESES [PASTEURIZED CULTURED COW'S MILK, SALT, ENZYMES)], SWEET CREAM BUTTER, ROASTED SUN DRIED TOMATO PASTE, CITRIC ACID, MILK, CREAM, DISODIUM PHOSPHATES, WHEY SOLIDS, FOOD STARCH-MODIFIED, SOY LECITHIN, GARLIC POWDER, VEGETABLE MONO AND DIGLYCERIDES, NATURAL FLAVORS (BUTTER AND CREAM), POTASSIUM SORBATE AND SODIUM BENZOATE ADDED AS PRESERVATIVES, NONFAT DRY MILK, BUTTERMILK SOLIDS, SPICES, ONION POWDER, ARTIFICIAL FLAVOR, COLORED WITH BETA CAROTENE, TRICALCIUM PHOSPHATE, SULFUR DIOXIDE, VITAMIN A PALMITATE ADDED. SAUSAGE: PORK, WATER, SPICES, SALT, DEXTROSE, GARLIC POWDER, PAPRIKA. ROASTED MUSHROOMS. ROASTED RED PEPPERS. ROASTED GREEN PEPPERS. ROASTED RED ONION. PARMESAN: (CULTURED PART-SKIM MILK, SALT AND ENZYMES), CELLULOSE POWDER (ADDED TO PREVENT CAKING). ASIAGO: (PASTEURIZED MILK, CHEESE CULTURES, SALT AND ENZYMES), POWDERED CELLULOSE (TO PREVENT CAKING). MINCED GARLIC, PARSLEY. SPICE BLEND: SPICES, (OREGANO, PEPPER, BASIL), MALTODEXTRIN, ONION & GARLIC, PARTIALLY HYDROGENATED SOYBEAN OIL, PARSLEY.