Which food has less impact on blood sugar?

COOKED ENRICHED ELBOW MACARONI (DURUM WHEAT SEMOLINA, FERROUS SULFATE [IRON], NIACIN, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), NON-FAT MILK (NON-FAT MILK, VITAMIN A PALMITATE, VITAMIN D3), MAYONNAISE (SOYBEAN OIL, CORN SYRUP, WATER, EGG YOLKS, DISTILLED VINEGAR, CONTAINS LESS THAN 2% OF: SALT, SPICE, CITRIC ACID, CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR), FIRE GRILLED CORN, BLACK BEANS (BLACK BEANS, WATER, SALT, CALCIUM CHLORIDE, FERROUS GLUCONATE), SHREDDED CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, ANNATTO [NATURAL VEGETABLE COLOR], CELLULOSE POWDER ADDED TO PREVENT CAKING), BUTTERMILK (CULTURED SKIM MILK, NONFAT DRY MILK, CREAM, SALT, MODIFIED CORN STARCH, MONO AND DIGLYCERIDES, CARRAGEENAN, LOCUST BEAN GUM, NATURAL FLAVOR, VITAMIN A PALMITATE AND VITAMIN D3), RED BELL PEPPER, ROASTED RED PEPPER (RED PEPPERS, WATER, SALT, CITRIC ACID, CALCIUM CHLORIDE), YELLOW ONION, GREEN ONION, EVAPORATED SALT, LIME JUICE, CILANTRO, WATER, SPICES, CHILI PEPPERS (PEPPER, DEHYDRATED CAPSICUM, ETHOXYQUIN [COLOR], SILICON DIOXIDE [ANTICAKING AGENT]), SODIUM BENZOATE AND POTASSIUM SORBATE ADDED TO PROTECT FLAVOR, GARLIC POWDER, ONION POWDER, XANTHAN GUM.