Firm and vibrant strawberry jam مربّى الفرولة أو الفريز لون رائع وقوام ثابت 

Create the ultimate strawberry jam, vibrant in color, splendid in texture, and delightfully firm.
This recipe is incredibly simple, filling your kitchen with the irresistible aroma of strawberries and sweetness.
Ingredients:
1. One kilogram of fresh strawberries, chopped
2. 650 grams of sugar
3. Two tablespoons of lemon juice
4. One apple, grated
5. A dash of vanillin