Which food has less impact on blood sugar?

QUICHE FILLING: WATER, TOFURKY ITALIAN SAUSAGE (ORGANIC TOFU [WATER, ORGANIC SOYBEANS, MAGNESIUM CHLORIDE, CALCIUM CHLORIDE], VITAL WHEAT GLUTEN, EXPELLER PRESSED NON-GMO CANOLA OIL, WATER, SHOYU SOY SAUCE [WATER, NON-GMO ENGINEERED SOYBEANS, WHEAT, SALT, CULTURE], SUN-DRIED TOMATOES, ORGANIC SOY FLOUR, BASIL, BLACK PEPPER, SPICES, GRANULATED GARLIC, SALT, CHILI PEPPER), ORGANIC TOFU (FILTERED WATER, ORGANIC SOYBEANS, MAGNESIUM CHLORIDE, CALCIUM CHLORIDE), ORGANIC SOY MILK (FILTERED WATER, WHOLE ORGANIC SOYBEANS, CARRAGEENAN, SEA SALT, NATURAL FLAVOR), ZUCCHINI, TOMATOES, GREEN BELL PEPPERS, POBLANO CHILES, RED BELL PEPPERS, RED ONIONS, NON-GMO SOY PROTEIN POWDER, VEGAN CHEESE (FILTERED WATER, TAPIOCA AND OR/PEA STARCH, NON-GMO EXPELLER PRESSED CANOLA OIL AND/OR EXPELLER PRESSED SAFFLOWER OL, COCONUT OIL, PEA PROTEIN, SALT, VEGAN NATURAL FLAVORS, DRIED YEAST, VEGETABLE GLYCERIN, XANTHAN GUM, LACTIC ACID [DERIVED FROM SUGAR], TITANIUM DIOXIDE [A NATURALLY OCCURRING MINERAL]), RICE STARCH, DRIED YEAST, VEGAN NATURAL FLAVORS (CONTAINS MALTODEXTRIN, NATURAL FLAVORS, LACTIC ACID [DERIVED FROM SUGAR], SALT), SPICES, DRIED SPINACH, CARRAGEENAN, KONJAC, DEXTROSE, POSTASSIUM CHLORIDE, BETA CAROTENE, MODIFIED VEGETABLE GUM, BAKING POWDER (MONOCALCIUM PHOSPHATE, SODIUM BICARBONATE, NON-GENETICALLY ENGINEERED CORN STARCH), XANTHAN GUM, SEA SALT. CRUST: WHOLE GRAIN STONE GROUND SOFT WHEAT FLOUR, ORGANIC BRAZILIAN PALM OIL, ENRICHED WHITE FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, SUGAR, SALT.