Turn on broiler. Cook pasta in a large pan of boiling water 3 minutes, or until just cooked through. Drain well. Heat oil in a nonstick ovenproof skillet over medium high heat. Sauté garlic and spinach about 2 minutes. Add cream, raise heat to high and cook 4-6 minutes, until reduced to about 3/4 cup. Stir in milk, basil and salt and pepper to taste. Cook 1 minute, until hot. Add cooked pasta and toss to combine. Stir in tuna. Combine cheese and breadcrumbs in a bowl and sprinkle evenly over pasta. Broil 4 inches from heat source 1-2 minutes, until crumbs are browned. Serve from skillet, cut into wedges. |