In a medium bowl, mix ricotta cheese, cream cheese, vanilla extract, and powdered sugar until smooth and creamy. If needed, add a splash of milk for a softer texture.
Cut a pocket into the side of each bread slice using a small knife. Fill each pocket with about 2 tablespoons of creamy filling and several strawberry slices.
In a large bowl, whisk together eggs, milk, granulated sugar, cinnamon, vanilla extract, and salt until fully combined.
Heat a non-stick skillet over medium heat and melt butter.
Dip each stuffed bread slice into the custard mixture for 15–20 seconds per side. Avoid over-soaking.
Cook the Fluffy Stuffed Strawberry French Toast for 3–4 minutes on each side until golden brown and crispy.
Serve warm with powdered sugar, maple syrup, whipped cream, and fresh strawberries.