Which food has less impact on blood sugar?

CRUST - WHOLE WHEAT FLOUR, WATER, ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], ORGANIC CANE SUGAR, NON-GENETICALLY ENGINEERED SOYBEAN OIL, DOUGH CONDITIONER [CALCIUM SULFATE, GARLIC POWDER], SALT, YEAST, STARCH, ASCORBIC ACID. FILLING - TOFURKY OVEN ROAST [WATER, VITAL WHEAT GLUTEN, ORGANIC TOFU (WATER, ORGANIC SOYBEANS, MAGNESIUM CHLORIDE, CALCIUM CHLORIDE), SHOYU SOY SAUCE (WATER, NON-GENETICALLY ENGINEERED SOY BEANS, WHEAT, SALT, CULTURE), EXPELLER PRESSED NON-GENETICALLY ENGINEERED CANOLA OIL, NATURAL VEGAN FLAVORS, SALT, NON-GENETICALLY ENGINEERED CORN STARCH, WHITE BEAN FLOUR, GARBANZO FLOUR, ONION POWDER, CARROT, CELERY, SUGAR, CALCIUM LACTATE FROM BEETS, LEMON JUICE CONCENTRATE], WATER, VEGAN CHEESE [FILTERED WATER, TAPIOCA AND/OR ARROWROOT FLOURS, NON-GENETICALLY ENGINEERED EXPELLER PRESSED CANOLA OIL OR NON-GENETICALLY ENGINEERED EXPELLER PRESSED SAFFLOWER OIL, COCONUT OIL, PEA PROTEIN, SALT, INACTIVE YEAST, VEGAN NATURAL FLAVORS, VEGETABLE GLYCERINE, XANTHAN GUM, CITRIC ACID, ANNATTO, TITANIUM DIOXIDE (A NATURALLY OCCURRING MINERAL)], BROCCOLI, SPINACH, ONIONS, RICE STARCH, SALT, POTASSIUM CHLORIDE, SPICES.