"Create a creamy mushroom chicken and asparagus risotto recipe using Arborio rice, 5 tbsp butter, 1 cup mushrooms, asparagus, 1 cup chicken stock, white wine, 1/2 cup heavy cream, and chicken breasts. Include instructions for making a simple homemade mushroom stock from the mushrooms and any pantry aromatics if helpful. Use imperial units, and make the recipe practical, flavorful, and well-balanced. Include ingredient amounts, step-by-step instructions, and note any additional common pantry ingredients needed."