Which food has less impact on blood sugar?

FILLING: CRUSHED TOMATOES IN PUREE (DICED TOMATOES, TOMATO PUREE, CITRIC ACID), CHEESE BLEND (RICOTTA CHEESE [WHEY, CREAM, VINEGAR, CARRAGEENAN], CREAM, WATER, MOZZARELLA CHEESE [PASTEURIZED MILK, CULTURES, SALT, ENZYMES], PARMESAN CHEESE [PASTEURIZED MILK, CULTURES, SALT, ENZYMES], DRIED EGG WHITES, PARSLEY, METHYLCELLULOSE, SALT, SPICE, GARLIC POWDER, ONION POWDER), COOKED ITALIAN SAUSAGE (PORK, WATER, SPICES, SALT, SUGAR, PAPRIKA, SEASONING [POTASSIUM CHLORIDE, RICE FLOUR], GARLIC POWDER, FLAVORINGS), MOZZARELLA CHEESE (PASTEURIZED MILK, NONFAT MILK, CULTURES, SALT, ENZYMES), WATER, TOMATO PUREE (WATER, TOMATO PASTE), ONIONS, OLIVE OIL, SUGAR, GARLIC PUREE (CRUSHED GARLIC, CITRIC ACID), SALT, MODIFIED CORN STARCH, BASIL, METHYLCELLULOSE, PARSLEY, SPICES, SOYBEAN OIL, CITRIC ACID. CRUST: ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID) , INTERESTERIFIED SOYBEAN OIL, WATER, SALT, MODIFIED WHEY, CARAMEL COLOR, WHEAT FLOUR. SPICE TOPPING: LESS THAN 2% OF: SALT, DRIED GARLIC, DRIED ONION, SPICES, DRIED RED BELL PEPPER.CONTAINS: EGG, MILK, WHEAT