STEP 1/5
Prepare lemon, red paprika, green bell pepper, and onion, and cut beef into 2cm thick slices with sirloin or tenderloin. Place beef in bowl and sprinkle with herb salt. Wash lemons with salt or baking powder and blanch them in hot water. Slice the lemon and cut it into quarters.
STEP 2/5
Boil all ingredients except starch and starch syrup in a pot, and when it boils up, add a little bit of lemon water, dissolve the starch and thicken it, and add starch syrup at the end. Sift out the lemon sauce once.
STEP 5/5
Lastly, add green bell pepper and 1/2 lemon slices If it's bland, season it with salt. If you want to eat it sweetly, add starch syrup and adjust it