Prepare the Filling: In a bowl, mix peanut butter, butter, powdered sugar, and vanilla until smooth. Stir in crushed pretzels. Chill for 30 minutes.
Shape the Eggs: Form the chilled mixture into egg shapes and place on a parchment-lined baking sheet. Refrigerate for 1 hour.
Melt the Chocolate: Melt the chocolate chips in the microwave in 30-second intervals, stirring until smooth. Add coconut oil if desired.
Coat the Eggs: Dip the chilled eggs in the melted chocolate, then place back on the parchment-lined sheet. Chill for 20 minutes.
Decorate: Melt the white chocolate, color with food coloring, and drizzle over the eggs. Add sprinkles or crushed pretzels.
Serve and Enjoy: Let the chocolate set and serve chilled or at room temperature.