Cactus-Date Conserve

2 cups prickly pear cactus, thinly sliced
1 1/2 dozen dates, stoned and cut into pieces
Juice and grated rind of 1 orange
2 slices pineapple, thinly sliced
4 teaspoons lemon juice
1/2 cup pineapple juice
1 1/2 cups granulated sugar
1/3 cup walnuts, broken

Cook slowly until of desired consistency. Five minutes before removing from heat, add nuts.