Grease a 9-inch square pan to prevent sticking when cutting the bars later.

Crush the Ritz crackers into fine crumbs using either a food processor or by placing them in a ziplock bag and crushing with a rolling pin.

In a large bowl, combine the cracker crumbs with the Skor English toffee bits.

Pour in the sweetened condensed milk and mix everything together until well combined. The mixture will be thick and sticky.

Press the mixture firmly into your prepared pan, creating an even layer that reaches all corners. Pack it down well to help the bars hold together when cut.

Refrigerate for at least 2 hours or overnight until completely set and firm.

Once chilled, cut into small squares and serve.