Puree strawberries using a food processor or blender until smooth. Add in a little water as needed depending on the power of your blender.

Push strawberry puree through a fine mesh strainer to remove extra pulp and seeds and pour puree into a large pitcher.

Combine sugar and 1 cup of water in a small sauce pan.

Cook over medium heat until the sugar is completely dissolved.

Pour simple syrup into the pitcher.

Pour remaining water and lemon juice into the pitcher.

Stir everything together.

Serve over ice.