1. Shred green and red peppers, blanch in boiling water, and remove for later use.

2. Boil the pot and add a piece of butter to melt it.

3. After the butter melts, pour in the flour paste.

4. When the batter is slightly solidified, add a broken egg and pour it in two or three times, each time it is slightly solidified before adding it to the next time. The egg liquid is slightly solidified, and appropriate amount of tomato sauce is added.

5. Spread a layer of shredded green and red peppers.

6. Sprinkle a layer of mozzarella cheese.

7. After the cheese melts, roll it up.

8. Out of the pot.