Which food has less impact on blood sugar?

CAKE [NON-GMO SUGAR, NON-GMO FLOUR (WHEAT, MALTED BARLEY), NON-GMO ORGANIC RICE MILK (FILTERED WATER, BROWN RICE [PARTIALLY MILLED), EXPELLER-PRESSED CANOLA OIL AND/OR SAFFLOWER OIL AND/OR SUNFLOWER OIL, TRICALCIUM PHOSPHATE, SEA SALT, VITAMIN A PALMITATE, VITAMIN D2, VITAMIN B12), NON-GMO EXPELLER-PRESSED CANOLA OIL, WATER, SALT, NON-GMO BAKING POWDER (MONOCALCIUM PHOSPHATE, SODIUM BICARBONATE [BAKING SODA], NON-GMO CORN STARCH), BAKING SODA (SODIUM BICARBONATE), NON-GMO VANILLA], FROSTING [SUGAR (CONTAINS CORNSTARCH FOR ANTI-CAKING), NON-GMO VEGAN CREAM CHEESE (WATER, COCONUT OIL, POTATO STARCH, SEA SALT, GLUCONO-DELTA-LACTONE (NATURALLY DERIVED FROM NON-GMO RICE AND/OR MAIZE AND USED AS AN ACIDULANT), NATURAL FLAVORING, OLIVE EXTRACT, VITAMIN B12), NON-GMO CERTIFIED SUSTAINABLE PALM OIL, NON-GMO VEGAN BUTTER (NATURAL OIL BLEND (PALM FRUIT, CANOLA AND OLIVE), WATER, CONTAINS 2% OR LESS OF: SALT, NATURAL FLAVOR (DERIVED FROM CORN, NO MSG, NO ALCOHOL, NO GLUTEN, GMO-FREE), SUNFLOWER LECITHIN-AN EMULSIFIER, LACTIC ACID (NON-DAIRY DERIVED FROM SUGAR BEETS), ANNATTO EXTRACT-COLOR), NON-GMO VANILLA], NON-GMO SPRINKLES [SUGAR, CORN STARCH, SUSTAINABLE PALM AND PALM KERNEL OIL, SUNFLOWER LECITHIN, RIBOFLAVIN FOR COLOR, NATURAL VANILLA FLAVOR, CARNAUBA WAX]