Which food has less impact on blood sugar?

DOUGH (SOFT WHEAT FLOUR, WHOLE WHEAT FLOUR [WHOLE ANCIENT SPELT FLOUR {EINKORN WHEAT, EMMER WHEAT, SPELT}, VEGETABLE SEED {MILLET SEED, BROWN LINSEED, SUNFLOWER SEED}, SOFT WHOLE WHEAT FLOUR, WHOLEMEAL RYE FLOUR, WHEAT GLUTEN, VEGETABLE FAT AND OIL {RAPESEED, PALM}, SUGAR BEET FIBERS, SUGAR, SALT, DRIED MALT BARLEY EXTRACT, SUGAR CANDY, HONEY, DRIED WHOLE SPELT ACID SOURDOUGH, ENZYMES, ASCORBIC ACID {ANTIOXIDANT}], WATER, EXTRA VIRGIN OLIVE OIL, YEAST), SEASONED MUSHROOMS (MUSHROOM [AGARICUS BISPORUS], SUNFLOWER SEED OIL, RICE STARCH, SALT, GARLIC, PARSLEY, ONION, VEGETABLE AROMA, MUSHROOM AROMA), WHITE SAUCE (WATER, STRACCHINO CHEESE [MILK, SALT, ANIMAL RENNET, LACTIC FERMENTS], DRY MOZZARELLA SAUCE [MILK, ENZYMES, NATURAL FLAVORINGS, WHEAT FLOUR, PROCESSED CHEESE POWDER, SALT]), MOZZARELLA CHEESE (MILK, ENZYMES, MICROBIAL RENNET, SALT), SLICED RED ONION, GRANA PADANO DOP CHEESE (MILK, SALT, ANIMAL RENNET, LYSOZYME FROM EGGS [PRESERVATIVE]), SUNFLOWER SEED OIL.