Grease the muffin tin if using a traditional one. Silicone needs no prep.
Melt the chocolate chips and butterscotch chips over a double boiler, or in a heat safe glass bowl over a sauce pan with simmering water. Alternatively, you can use the microwave, using 20 second increments, stirring in between.
Add the peanut butter and combine well.
Fold in the chow mien noodles and gently stir to coat.
Fill each of the muffin cups with the mixture, making a well in the center.
Cool in the refrigerator until hardened, about 30 minutes.
Fill each 'nest' with a few mini eggs.