Preparation Meanwhile, melt 1 tablespoon butter with oil in heavy large skillet over medium heat. Add garlic slices and sauté until light golden, about 45 seconds. Using slotted spoon, transfer garlic to bowl. Increase heat to medium-high; add sage to same skillet and stir until beginning to crisp, about 10 seconds. Add sausage and sauté until browned and crisp in spots, breaking up with fork, about 8 minutes. Drain pasta; add pasta and remaining 1 tablespoon butter to skillet. Using tongs, toss pasta with sausage mixture. Add crushed red pepper, if desired; season to taste with salt and pepper. Transfer pasta to large bowl. Top with crispy garlic and grated Asiago cheese. *Available at some supermarkets and at specialty foods stores and Italian markets.
Preparation Meanwhile, melt 1 tablespoon butter with oil in heavy large skillet over medium heat. Add garlic slices and sauté until light golden, about 45 seconds. Using slotted spoon, transfer garlic to bowl. Increase heat to medium-high; add sage to same skillet and stir until beginning to crisp, about 10 seconds. Add sausage and sauté until browned and crisp in spots, breaking up with fork, about 8 minutes. Drain pasta; add pasta and remaining 1 tablespoon butter to skillet. Using tongs, toss pasta with sausage mixture. Add crushed red pepper, if desired; season to taste with salt and pepper. Transfer pasta to large bowl. Top with crispy garlic and grated Asiago cheese. *Available at some supermarkets and at specialty foods stores and Italian markets.