Caramelized Vegetables - cooking recipe

Ingredients

2 lbs red potatoes, cut into 1 inch pieces
1/2 teaspoon salt
1 lb asparagus, cut into 2 inch pieces
1/3 cup butter
1 large onion, chopped
1/4 cup balsamic vinegar
1/4 cup packed brown sugar
1/4 teaspoon salt

Preparation

Heat about 1 inch of water in a 3 qt saucepan to boiling.
Add potatoes and 1/2 teaspoon salt and bring back to a boil.
Reduce heat, cover and cook about 12 minutes or until potatoes are tender; drain and return to saucepan.
Meanwhile, heat about 1 inch of water in a 2 qt saucepan to boiling; add asparagus and bring it back to a boil.
Reduce heat, cover and cook about 5 minutes or until crisp-tender; drain and add to potatoes.
While vegetables are cooking, melt butter in a 10 inch skillet over med high heat.
Cook onion in butter for about 5 minutes, stirring occasionally, until golden brown.
Stir in vinegar, brown sugar and 1/4 teaspoon salt.
Pour onion mixture over potatoes and asparagus; stir to coat and sprinkle with ground pepper if desired.