French Onion Dip - A Duck's Oven

Ingredients

• 1 tablespoon extra-virgin olive oil
• 1 tablespoon butter
• 1 1/2 medium onions, diced
• 1/2 tsp minced garlic
• 1 cubes beef bouillon
• 1/4 cup water
• 1/4 cup beer (or additional water; I used Deschutes Red Chair NWPA)
• 1/2 tsp black pepper
• 1 tablespoon Worcestershire sauce
• 2 cups sour cream
• 1/2 cup mayonnaise
• Salt to taste