Which food has less impact on blood sugar?

MEATLOAF WITH GLAZE (MEATLOAF [BEEF, PORK, WATER, ONIONS, ROLLED OATS, CONTAINS 2% OR LESS OF: GREEN BELL PEPPER, TEXTURED SOY PROTEIN CONCENTRATE {SOY PROTEIN CONCENTRATE, CARAMEL COLOR}, ROCHESTER SAUCE {DISTILLED VINEGAR, CORN SYRUP, WATER, SALT, GARLIC POWDER, SPICES, TAMARIND, NATURAL FLAVOR}, BEEF FLAVOR {CONTAINS BEEF EXTRACT, YEAST EXTRACT, SALT, FLAVOR, MALTODEXTRIN, LACTIC ACID, CITRIC ACID}, SOY PROTEIN CONCENTRATE, SOY SAUCE {WATER, WHEAT, SOYBEANS, SALT, SODIUM BENZOATE}, NONFAT DRY MILK {NONFAT DRY MILK, VITAMIN A, VITAMIN D}, WHOLE EGGS, SALT, FLAVORING, CARAMEL COLOR, SOY LECITHIN], GLAZE [KETCHUP {WATER, TOMATO PASTE, HIGH FRUCTOSE CORN SYRUP, DISTILLED VINEGAR, CORN SYRUP, SALT, ONION POWDER, GARLIC POWDER, NATURAL FLAVORS}, WATER, SOY PROTEIN CONCENTRATE, SOY LECITHIN]), MASHED POTATOES (REHYDRATED POTATO FLAKES AND GRANULES [WATER, POTATOES, MONO- AND DIGLYCERIDES, CITRIC ACID, DISODIUM DIHYDROGEN PYROPHOSPHATE, BHT, SODIUM BISULFITE], BUTTER [CREAM, SALT], CREAM, SALT, MEDIUM CHAIN TRIGLYCERIDES, SPICE, NATURAL FLAVORING), CORN, WATER, CONTAINS LESS THAN 2% OF THE FOLLOWING: CRIMINI MUSHROOMS, MODIFIED CORN STARCH, ONIONS, BEEF FLAVOR (COOKED BEEF, YEAST EXTRACT, MALTODEXTRIN, CARAMELIZED SUGAR SYRUP, BEEF TALLOW, BEEF EXTRACT, VEGETABLE JUICE CONCENTRATES [ONION, CARROT, CELERY], SALT, SUGAR, CORN STARCH, LACTIC ACID, FLAVORINGS), SALT, BURGUNDY WINE, SUGAR, CARAMEL COLOR, CANOLA OIL, GARLIC, BUTTER (CREAM, SALT), MUSHROOM POWDER, FLAVORING. CONTAINS: EGG, MILK, SOY, WHEAT.