STEP 1/6
Soak the black beans in enough water and grind them in a blender.
STEP 2/6
Place butter in a pan and stir-fry paprika and mushrooms cut into appropriate sizes.
STEP 3/6
Melt butter in a concave pan, add flour to make roux, add milk, and boil ground black beans.
STEP 4/6
Stir it so that it does not melt on the floor and boil it with the stir-fried paprika and button mushrooms when the beans are almost cooked.
STEP 5/6
Season with salt, pepper and cheese.
STEP 6/6
Cook noodles lightly in boiling water and mix in spaghetti sauce.
When you want a soft texture, filter the ground black beans through a fine sieve.