Peas with Browned Butter, Caramelized Onions, and Prosciutto

Ingredients

• 1 tablespoon balsamic vinegar 
• 0.3 cup butter divided
• 0.5 cup chicken broth 
• 0.3 teaspoon thyme leaves dried
• 1 tablespoon olive oil 
• 1.5 cups onion chopped
• 16 ounce peas sweet frozen
• 0.3 teaspoon pepper 
• 3 ounces pancetta thinly sliced
• 1 tablespoon sugar 

Equipment

• bowl
• frying pan
• sauce pan

Directions

1. Cook peas according to package directions, substituting 1/2 cup broth for water.
2. Drain; set aside in a serving bowl, and keep warm.
3. Cook prosciutto in a large skillet over medium-high heat until crisp.
4. Remove prosciutto from pan; cool and coarsely crumble.
5. Melt 1 tablespoon butter with oil in large skillet over medium-high heat.
6. Add onion; cook 28 minutes or until golden, stirring occasionally.
7. While onions cook, melt remaining 3 tablespoons butter in a small saucepan over medium-low heat. Cook 5 minutes or until butter is browned, stirring occasionally. Stir sugar, vinegar, thyme, and pepper into onion; cook 2 more minutes.
8. Remove from heat. Stir caramelized onion and crumbled prosciutto into peas.
9. Pour browned butter over peas.
10. Serve warm.