Mushroom Asparagus Quiche

Name: Mushroom Asparagus Quiche
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 1 recipe homemade pie crust; 2 tablespoons butter; 1/2 cup sweet onions (sliced thin); 1 cup cremini mushrooms (sliced thick); 1 cup asparagus ((I used the top four inches of the asparagus)); 1/2 clove garlic (minced); 1/4 cup grated cheese (farmers cheese or Monterrey jack cheese); 1/4 cup grated gruyere cheese; 3 large eggs; 1/4 cup whole milk; 1/2 teaspoon kosher salt; 1/2 teaspoon black pepper; chives (for garnish)