Which food has less impact on blood sugar?

INGREDIENTS: FILLING: GROUND BEEF (NOT MORE THAN 20% FAT), WATER, CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO COLOR), CRUSHED TOMATOES (TOMATOES AND SALT. MAY ALSO CONTAIN: TOMATO JUICE AND/OR PUREE, CITRIC ACID, WATER, AND CALCIUM CHLORIDE), TACO SEASONING [SPICES (INCLUDING PAPRIKA, CUMIN, AND OREGANO), ONION AND GARLIC, POTATO FLOUR, COCOA, CORN SYRUP SOLIDS, CITRIC ACID, NATURAL FLAVOR], CONTAINS 2% OR LESS OF: SPICES, SALT, MINCED ONION, TEXTURED VEGETABLE PROTEIN PRODUCT [(SOY FLOUR, CARAMEL COLOR, ZINC OXIDE, NIACINAMIDE, FERROUS SULFATE, COPPER GLUCONATE, VITAMIN A PALMITATE, CALCIUM PANTOTHENATE, THIAMINE MONONITRATE (B1), PYRIDOXINE HYDROCHLORIDE (B6), RIBOFLAVIN (B2), AND CYANOCOBALAMIN (B12)], ISOLATED PEA PRODUCT, AND MODIFIED FOOD STARCH (REFINED FROM CORN). WHOLE WHEAT FLOUR TORTILLA, SOY FLOUR ENRICHED (WHEAT FLOURS [WHOLE WHEAT FLOUR, ENRICHED BLEACHED FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID)], WATER, SOY FLOUR, SOYBEAN OIL, POTATO STARCH, PEA FIBER, DISTILLED MONOGLYCERIDE, WHEAT GLUTEN, GLYCERINE, SALT, BAKING POWDER (CORN STARCH, SODIUM BICARBONATE, SODIUM ALUMINUM SULFATE, MONOCALCIUM PHOSPHATE).