COMBINE RASPBERRIES, WATER, SUGAR, AND LEMON JUICE IN MEDIUM SAUCEPAN

BRING TO A BOIL AND SIMMER FOR 20 MIN UNTIL RASPBERRIES BREAK DOWN

STRAIN MIXTURE TO REMOVE THE SEEDS

RETURN PAN TO HEAT

WHISK CORNSTARCH SLURRY INTO RASPBERRY MIX

BRING BACK TO A BOIL AND SIMMER FOR 5-10 MIN

LET COOL, STIRRING OCCASSIONALLY

MAKE SURE FILLING IS COMPLETELY COOL BEFORE SPREADING