Combine butter and sugar together in a pot. Cook over medium heats until it begins to boil. Allow to boil for 3 minutes untouched. Stir and continue cooking 1or 2 more minutes or until thickened.
Line a 10 x 15 inch jelly roll pan with parchment paper.
Line cookies on to prepared baking sheet. Pour sugar, butter sauce over the top. Cook in preheated oven for 5 minutes.
Remove from oven and sprinkle white chocolate chips over the top. Allow to set for 30 seconds - 1 minute. When the chocolate starts to melt spread it over the crackers. Sprinkle with sprinkles. Allow to cool to room temperature then chill for 2 hours.
Once chilled and hardened, remove from fridge and break into pieces. Store in airtight container.