Which food has less impact on blood sugar?

INGREDIENTS: WATER, POTATOES, SEASONED BEEF SIRLOIN BURGERS WITH ONIONS (SIRLOIN BEEF, RECONSTITUTED ONIONS, POTATO EXTRACT, SALT, MONOSODIUM GLUTAMATE, FLAVORING, MUSTARD), VEGETABLE OIL, DICED TOMATOES IN TOMATO JUICE, CONTAINS LESS THAN 2% OF: MODIFIED FOOD STARCH, GREEN PEPPERS, DEHYDRATED ONIONS, CHEDDAR CHEESE (MILK, CULTURES, SALT, ENZYMES), WHEAT FLOUR, SALT, MONOSODIUM GLUTAMATE, BEEF TALLOW, SOY PROTEIN CONCENTRATE, GRANULAR CHEESE (MILK, CULTURES, SALT, ENZYMES), FLAVORING, ENZYME MODIFIED CHEESE (MADE FROM CHEDDAR, BLUE CHEESE AND SWISS CHEESES [MILK, CULTURES, SALT, ENZYMES], SODIUM PHOSPHATES, XANTHAN GUM, ENZYME MODIFIED CREAM AND BUTTERFAT, CREAM CHEESE [MILK AND CREAM, SALT, CAROB BEAN GUM, CHEESE CULTURES], FLAVORING, LACTIC ACID, WATER, SODIUM CASEINATE), WHEY POWDER, SEMISOFT CHEESE (MILK, CULTURES, SALT, ENZYMES), BLUE CHEESE (MILK, SALT, CULTURES, ENZYMES), ONION POWDER, SUGAR, TOMATO POWDER, SODIUM PHOSPHATE, SPICES, ANNATTO EXTRACT FOR COLOR, GRILL FLAVORING (FROM VEGETABLE OIL), VINEGAR, BETA CAROTENE FOR COLOR, GLUTAMIC ACID, CELERY EXTRACT, SESAME EXTRACT, GARLIC EXTRACT, SOY PROTEIN ISOLATE, YEAST EXTRACT, SOY LECITHIN.