Which food has less impact on blood sugar?

INGREDIENTS: MASHED POTATOES: REHYDRATED POTATO FLAKES AND GRANULES (WATER, POTATOES, MONO- AND DIGLYCERIDES, CITRIC ACID, DISODIUM DIHYDROGEN PYROPHOSPHATE, BHT, SODIUM BISULFITE), MARGARINE (SOYBEAN OIL, WATER, SALT, HYDROGENATED SOYBEAN OIL, MONOGLYCERIDES, SODIUM BENZOATE, SOY LECITHIN, MEDIUM CHAIN TRIGLYCERIDES, CALCIUM DISODIUM EDTA, VITAMIN A PALMITATE, BETA CAROTENE (COLOR), VITAMIN D3, NATURAL AND ARTIFICIAL FLAVOR), CREAM, SOYBEAN OIL, NONFAT DRY MILK, SALT, SUGAR, MONOSODIUM GLUTAMATE, XANTHAN GUM, GUAR GUM, FLAVORING. GRAVY: WATER, SEASONED COOKED BEEF (BEEF, HYDROLYZED SOY PROTEIN, GARLIC JUICE, SALT), MODIFIED CORN STARCH, TOMATO PASTE, WHEAT FLOUR, ONIONS, CONTAINS 2% OR LESS OF: SALT, SOYBEAN OIL, SUGAR, CARAMEL COLOR, MONOSODIUM GLUTAMATE, FLAVORINGS. MEATLOAF: MECHANICALLY SEPARATED CHICKEN, PORK, BEEF, WATER, TEXTURED SOY PROTEIN CONCENTRATE (SOY PROTEIN CONCENTRATE, CARAMEL COLOR, SOY LECITHIN), BREADER (ENRICHED BLEACHED WHEAT FLOUR (BLEACHED WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), DURUM FLOUR, LEAVENING (SODIUM BICARBONATE, SODIUM ACID PYROPHOSPHATE), YEAST), ONIONS, KETCHUP (TOMATO CONCENTRATE, HIGH FRUCTOSE CORN SYRUP, DISTILLED VINEGAR, CORN SYRUP, SALT, LESS THAN 2% OF: ONION POWDER, GARLIC POWDER, NATURAL FLAVORS), CONTAINS 2% OR LESS OF: SALT, DRIED WHOLE EGGS, DRY WHOLE MILK, CARAMEL COLOR, NATURAL FLAVORINGS, CITRIC ACID). CINNAMON APPLE DESSERT: WATER, APPLES (CITRIC ACID AND ASCORBIC ACID TO RETAIN COLOR), SUGAR, BROWN SUGAR, MODIFIED CORN STARCH, NATURAL FLAVOR, ACETYLATED MONOGLYCERIDES, MODIFIED FOOD STARCH, SALT, CINNAMON, LEMON JUICE CONCENTRATE, PROPYLENE GLYCOL, ETHANOL, SPICE, LEMON OIL. CORN:CORN, WATER, SALT, SUGAR.