Preheat oven to 350°F (175°C). Line baking sheets with parchment paper.
Cream butter, brown sugar, and granulated sugar until fluffy.
Add eggs and vanilla extract; mix until smooth.
Whisk together flour, baking soda, and salt in a separate bowl.
Combine dry ingredients into the wet mixture gradually.
Fold in crushed Cadbury Mini Eggs and chocolate chips.
Chill the dough for 30–60 minutes.
Scoop dough into 1.5-tablespoon balls; place on baking sheet.
Bake for 10–12 minutes until edges are golden.
Cool on the sheet for 5 minutes, then transfer to a rack.