2. Step 2: Add sugar twice, three spoonfuls each time, and stir, as shown below.
3. Step 3: Stir the egg whites until white foam appears, as shown below.
4. Step 4: Add lemon juice of half a lemon to the egg yolk, as shown in the figure below.
5. Step 5, add pure milk, as shown in the figure below.
6. Step 6: Slowly add flour and stir, as shown below.
7. Step 7: Stir the egg yolk and egg white together, as shown in the figure below.
8. Step 8 Brush the baking tray with olive oil and pour in the egg liquid, as shown below.
9. Step 9: Put it in the oven, as shown in the figure below.
10, finally ready, as shown in the figure below.