Which food has less impact on blood sugar?

CLAM STOCK (WATER, CALM BASE [COOKED CALMS, SALT, YEAST EXTRACT, FLAVORING {CONTAINS COD}, DISALTED BUTTER (CREAM, NATURAL FLAVOR), POTATO FLOUR, SUGAR, ONION POWDER, GARLIC POWDER]), CLAMS AND CLAM JUICE (OCEAN CLAMS AND OCEAN CLAM JUICE, SALT, SODIUM TRIPOLYPHOSPHATE {TO RETAIN NATURAL JUICES}, CALCIUM DISODIUM EDTA {TO PRESERVE COLOR}), CHOWDER MIX (HYDROGENATED COCONUT OIL, CORN STARCH SOLIDS, SODIUM CASEINATE [A MILK, DERIVATIVE], ARTIFICIAL COLOR, SUGAR, MONO-AND DI-GLYCERIDES, SODIUM SILICOALUMINATE, DISODIUM PHOSPHATE, SODIUM STEAROYL LACTYLATE, SOY LECITHIN), POTATOES (POTATOES, SODIUM ACID PYROPHOSPHATE), BACON (CURED WITH WATER, SALT, SODIUM PHOSPHATE, HONEY, SODIUM ERYTHORBATE, FLAVORING, SODIUM NITRITE), CANOLA OIL, WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), CONTAINS 2% OR LESS OF: DEHYDRATED ONION, MODIFIED CORN STARCH, CULTURE (WHOLLY PASTEURIZED PRODUCT}), SALT, DEHYDRATED CELERY, LEMON JUICE FROM CONCENTRATE, SPICES (GARLIC POWDER, SPICES, DISODIUM INOSINATE AND DISODIUM GUANYLATE, SALT, SPICE EXTRACTIVE), NISIN PREPARATION.