Which food has less impact on blood sugar?

FILLED LASAGNA (WATER, ENRICHED DURUM FLOUR [DURUM WHEAT, NIACIN, FERROUS SULFATE, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], RICOTTA CHEESE [MILK, WHEY, SKIM MILK, VINEGAR, SALT, XANTHAN GUM, LOCUST BEAN GUM, GUAR GUM], BREAD CRUMBS [BLEACHED WHEAT FLOUR, YEAST, SUGAR, SALT], SALT, MODIFIED FOOD STARCH, ROMANO CHEESE [PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES], GARLIC, BLACK PEPPER, PARSLEY), WATER, TOMATO PASTE, LESS THAN 2% OF TOPPING BLEND (IMITATION MOZZARELLA [WATER, PALM OIL, MODIFIED POTATO STARCH, RENNET CASEIN, MODIFIED CORN STARCH, SODIUM CITRATE, SALT, SODIUM PHOSPHATE, NATURAL FLAVOR, CARRAGEENAN, LACTIC ACID, ARTIFICIAL COLOR], MOZZARELLA [PASTEURIZED CULTURED REDUCED FAT MILK, SALT, ENZYMES]), SUGAR, CANOLA OIL, SALT, PARMESAN CHEESE ([CULTURED PART-SKIM MILK, SALT, ENZYMES], SALT), MODIFIED FOOD STARCH, GRANULATED ONION, GRANULATED GARLIC, ASIAGO CHEESE (MILK, CHEESE CULTURE, SALT, ENZYMES), PASTEURIZED PROCESS MONTEREY JACK CHEESE (CULTURED MILK, WATER, MILKFAT, SKIM MILK, SODIUM PHOSPHATES, SALT, ENZYMES), SPICES, CELLULOSE, YEAST EXTRACT, XANTHAN GUM.