Pumpkin Streusel Muffins

MUFFIN BASE (PUMPKIN PUREE [WATER, DEHYDRATED PUMPKIN], GLUTEN FREE FLOUR BLEND [WHITE RICE FLOUR, BROWN RICE FLOUR, POTATO STARCH, CORNSTARCH, TAPIOCA STARCH, ENZYMES], CANOLA OIL, EGGS, CANE SUGAR, PUMPKIN SPICE BITS [CANE SUGAR, RICE FLOUR, DEXTROSE, SUNFLOWER OIL, POTATO STARCH, FOR COLOR {BETA CAROTENE, CARAMEL} NATURAL FLAVORS, CINNAMON, NUTMEG, CLOVES], BROWN SUGAR, BAKING POWDER [MONOCALCIUM PHOSPHATE, SODIUM BICARBONATE, CORNSTARCH], VANILLA EXTRACT [WATER, ETHYL ALCOHOL, VANILLA BEAN EXTRACTIVES], BAKING SODA, SALT, GROUND CINNAMON, GROUND NUTMEG, XANTHAN GUM, GROUND GINGER, GROUND CLOVE), STREUSEL TOPPING (BROWN SUGAR, BUTTER [CREAM {MILK}, NATURAL FLAVORS], CANE SUGAR, BROWN RICE FLOUR, OATS, GROUND CINNAMON, GROUND NUTMEG, GROUND GINGER, ALLSPICE, GROUND CLOVE)