Which food has less impact on blood sugar?

SALAD: ORGANIC ROMAINE LETTUCE*, ORGANIC KALE*, ORGANIC BRUSSELS SPROUTS*, ORGANIC GREEN CABBAGE*, ORGANIC RADICCHIO*. *VEGETABLE INGREDIENTS MAY VARY. ORGANIC CAESAR DRESSING: ORGANIC EXPELLER PRESSED SOYBEAN OIL, WATER, ORGANIC PARMESAN CHEESE (PASTEURIZED ORGANIC MILK, CHEESE CULTURES, SALT, VEGETABLE ENZYMES), ORGANIC PASTEURIZED WHOLE EGG, ORGANIC RED WINE VINEGAR, ORGANIC WHITE WINE VINEGAR, ORGANIC DIJON MUSTARD (ORGANIC APPLE CIDER VINEGAR, WATER, ORGANIC MUSTARD SEED, SEA SALT, ORGANIC SPICES), CONTAINS LESS THAN 2% OF: CITRIC ACID, NATURAL ANCHOVY FLAVOR (SALT, CURED ANCHOVIES, WATER), LACTIC ACID, NATURAL FLAVORS, ORGANIC CANE SUGAR, ORGANIC DEHYDRATED GARLIC, ORGANIC LEMON JUICE CONCENTRATE, ORGANIC SPICES, SALT, XANTHAN GUM. ORGANIC CHEESE AND GARLIC CROUTONS: ORGANIC WHEAT FLOUR, ORGANIC EXPELLER PRESSED SUNFLOWER OIL, CHEESE AND GARLIC SEASONING (ORGANIC NATURAL FLAVOR, ORGANIC PARMESAN CHEESE [PASTEURIZED ORGANIC MILK, SEA SALT, CHEESE CULTURES), ORGANIC NONFAT DRY MILK, ORGANIC ONION, ORGANIC GARLIC, ORGANIC SPICES, ORGANIC PARSLEY, ASCORBIC ACID (DOUGH CONDITIONER), VEGETABLE ENZYME, CITRIC ACID), WATER, SEA SALT, ORGANIC CANE SUGAR, ORGANIC YEAST. ORGANIC FANCY PARMESAN CHEESE: ORGANIC PARMESAN CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SEA SALT, VEGETABLE ENZYMES), POWDERED CELLULOSE (TO PREVENT CAKING).