Which food has less impact on blood sugar?

FILLING INGREDIENTS: BEEF, WATER, TEXTURED VEGETABLE PROTEIN(TEXTURED SOY FLOUR), TOASTED BREADCRUMBS [ENRICHED FLOUR, (WHEAT FLOUR, MALTED BARLEY, NIACIN, FERROUS SULFATE, THIAMIN MONONITRATE (VITAMIN B1), RIBOFLAVIN (VITAMIN B2), FOLIC ACID), HIGH FRUCTOSE CORN SYRUP, CORN SYRUP, PARTIALLY HYDROGENATED VEGETABLE OIL, (SOYBEAN AND/OR COTTONSEED AND/OR CORN AND/OR CANOLA OILS), WATER, CONTAINS 2 PERCENT OR LESS OF YEAST, SALT, BROWN SUGAR, HONEY, MOLASSES, SUGAR, WHEAT GLUTEN, WHEY, SOY FLOUR, RYE FLOUR, CORN FLOUR, OAT BRAN, CORN MEAL, RICE FLOUR, POTATO FLOUR, BUTTER, DOUGH CONDITIONERS ( MONO AND DIGLYCERIDES, SODIUM AND/OR CALCIUM STEAROYL LACTYLATE, SOY LECITHIN, CALCIUM CARBONATE), YEAST NUTRIENTS (AMMONIUM SULFATE, CALCIUM SULFATE, MONOCALCIUM PHOSPHATE) DISTILLED VINEGAR, SKIM MILK, BUTTERMILK, LACTIC ACID, CALCIUM PROPIONATE (PRESERVATIVE), POTASSIUM SORBATE (PRESERVATIVE), SESAME SEEDS], MONOSODIUM GLUTAMATE, SEASONING MIX (ONION POWDER, DRY ONION, SALT, GRANULATED GARLIC, SUGAR, BLACK PEPPER, DRY THYME, RED PEPPER, ALLSPICE), CORNSTARCH, ONION POWDER, CAYENNE PEPPER, CARAMEL COLOR, SUGAR, RED PEPPER FLAKES. CRUST INGREDIENTS: ENRICHED FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, POTASSIUM BROMATE, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, VEGETABLE SHORTENING (VEGETABLE OILS AND ANTIOXIDANTS), BEEF SUET, SUGAR, MARGARINE (LIQUID SOYBEAN OIL, PARTIALLY HYDROGENATED SOYBEAN OIL, WATER, SALT, VEGETABLE MONO AND DIGLYCERIDES, SOY LECITHIN, POTASSIUM SORBATE AND CITRIC ACID (PRESERVATIVES), ARTIFICIAL FLAVOR, BETA CAROTENE (COLOR), VITAMIN A PALMITATE ADDED), SALT, MONOSODIUM GLUTAMATE, TUMERIC, CALCIUM PROPIONATE (USED AS PRESERVATIVE), EGG SHADE COLORING (YELLOW #5, YELLOW #6, RED #40 AND SALT), SODIUM BICARBONATE, L-CYSTEINE.