Shrimp "Jambalaya" Hash

Ingredients

• 8 pound jumbo shrimp (16/20 per ), peeled, deveined and chopped in 1/2-inch pieces
• 1/4 olive oil
• 5 ounce andouille sausage, diced large
• 1 medium yellow onion, peeled and diced large
• 2 clove garlic , peeled and minced
• 8 large button mushrooms, trimmed and quartered
• 1 small red bell pepper, seeds removed, diced large
• 1 small yellow bell pepper, seeds removed, diced large
• 1/2 cup cubed cooked red boiling potatoes
• 1/2 cup cubed cooked sweet potatoes
• 8 spinach leaves, coarse stems removed and leaves julienned
• 6 scallions, trimmed and chopped
• 1 tablespoon butter
• 2 teaspoon kosher salt
• 2 teaspoon cracked black pepper