.
fruit filling:
2 pounds plums, halved, pitted, each cut into 6 wedges
(2 cups pitted fresh cherries, optional)
1/2 cup sugar (you may want to increase a bit if adding cherries)
1/2 tsp cinnamon
.

topping:
1 cup flour
1/2 cup sugar
1/2 cup old fashioned oats
1 stick unsalted butter, cut into pieces
1/4 cup sliced almonds, coarsely chopped (also good with walnuts)
.

Toss plums, sugar and cinnamon in baking dish. Mix topping and
sprinkle over top. Bake 35 minutes at 350 or until bubbly in center
and lightly browned. Serve warm with a scoop of vanilla ice cream.