Breakfast Skillet with Spinach, Mushrooms and Goat Cheese

Name: Breakfast Skillet with Spinach, Mushrooms and Goat Cheese
Cuisine: European, British
Ingredients: 350 g crimini and/or baby bella mushrooms, sliced 1/3” thick; 3-4 Tbsp unsalted butter, divided; 2-3 Tbsp olive oil, divided; 100 g baby spinach; 3 cloves garlic, minced finely; 6-8 eggs; 1/3 cup goat cheese, crumbled; Salt and fresh black pepper to taste; Toasted sourdough grain bread or bread of choice