Asparagus Parmesan Risotto

Ingredients

• 5 1/2 cups broth chicken or veg
• 1/8 teaspoon salt
• 4 tablespoons butter divided
• 1/2 cup onion finely chopped
• 2 cups arborio rice uncooked
• 2/3 cup white wine, dry
• 2 1/2 cups asparagus 1" pieces
• 3/4 cup peas or edamame frozen, shelled
• 1/2 cup parmesan cheese grated or shredded, add more if needed