In a medium bowl, stir together ricotta, lemon zest, 1 Tbsp. lemon juice and 1 1/2 Tbsp. sugar until mixture is smooth. Cover and refrigerate.
In a small bowl, toss strawberries with remaining 1 Tbsp. sugar, 1 Tbsp. lemon juice and salt.
Spread one-fourth of ricotta mixture evenly on one side of each crepe; fold into quarters on serving dishes. Top with strawberry mixture. Garnish with additional lemon zest and confectioners' sugar, if desired.