I obtained this recipe from my aunt in Nebraska.

RHUBARB COBBLER

Into 9x9-inch buttered baking dish place:
3 cups diced rhubarb

Sprinkle over rhubarb:
1 cup sugar
1 1/2 Tablespoons cornstarch

Combine the following batter ingredients
and dollop over rhubarb:
1 cup flour
3/4 cup sugar
1/2 cup milk
3 tablespoons melted butter
1 teaspoon baking powder
1/4 teaspoon salt

Pour 1 cup boiling water over all.

Bake 45 minutes in 375 degree oven.

Optional: For a slightly different flavor, I've even added a teaspoon of cinnamon to the sugar and cornstarch, which makes it reminiscent of apple pie.

Delicious when served warm with vanilla ice cream!