Which food has less impact on blood sugar?

CAKE: SUGAR, SOUR CREAM SUBSTITUTE (DAIRY FREE BASE (WATER, ORGANIC BUTTER BEANS, ORGANIC OATS), VEGETABLE OIL BLEND (COCONUT AND SAFFLOWER), GUM ARABIC, KONJAC ROOT POWDER, SEA SALT, CULTURED DEXTROSE, CALCIUM CITRATE, NATURAL FLAVORS, CITRIC AND LACTIC (VEGAN) ACID, SUNFLOWER LECITHIN), BTW FLOUR MIX (WHITE RICE FLOUR, BROWN RICE FLOUR, POTATO STARCH, SORGHUM FLOUR, TAPIOCA FLOUR, XANTHAN GUM), EGGS, CANOLA OIL, COCOA POWDER, BAKING POWDER, VANILLA EXTRACT, SALT. BASE FILLING: SUGAR, PALM OIL SHORTENING, EGG WHITES, BUTTER SUBSTITUTE (EXPELLER-PRESSED ORGANIC OIL BLEND (COCONUT, HI-OLEIC SUNFLOWER, PALM FRUIT) WATER, SEA SALT, SUNFLOWER LECITHIN, TOCOPHEROLS, NATURAL FLAVOR, ORGANIC ANNATTO EXTRACT COLOR), VANILLA EXTRACT, SALT. VANILLA FILLING: BASE FILLING, ORGANIC MARSHMALLOW CREME (TAPIOCA SYRUP, CANE SUGAR, NATURAL SPRING WATER, DRIED EGG WHITES, VANILLA EXTRACT), MARSHMALLOW EXTRACT. RASPBERRY FILLING: BASE FILLING, CONFECTIONERS SUGAR (SUGAR, CORNSTARCH), BUTTER SUBSTITUTE (VEGETABLE OIL BLEND (PALM FRUIT, CANOLA, AND OLIVE OILS), WATER, SALT, LESS THAN 2% NATURAL FLAVOR, SUNFLOWER LECITHIN, LACTIC ACID, ANNATTO EXTRACT), PALM OIL SHORTENING, RASPBERRIES, LEMON JUICE, VANILLA EXTRACT. CHOCOLATE FILLING: BASE FILLING, CONFECTIONERS SUGAR (SUGAR, CORNSTARCH), BUTTER SUBSTITUTE (VEGETABLE OIL BLEND (PALM FRUIT, CANOLA, AND OLIVE OILS), WATER, SALT, CONTAINS LESS THAN 2% OF NATURAL FLAVOR, SUNFLOWER LECITHIN, LACTIC ACID (NON-DAIRY), ANNATO EXTRACT (COLOR)), COCONUT CREAM, COCOA POWDER (COCOA PROCESSED WITH ALKALI), PALM OIL SHORTENING, VANILLA EXTRACT