Prepare pasta according to package directions. Drain and return to pot.
Stir in spinach, cover and to allow the warm noodles to slightly wilt the spinach. Let sit about 5-10 minutes.
Meanwhile, place a small, nonstick skillet over medium high heat. Add in almonds and toss frequently until desired level of toasting is reached, typically about 3-4 minutes.
Add edamame, pesto, lemon juice and salt and pepper into the pasta and spinach. Toss to combine.
Divide evenly into 4 serving bowls, and top with toasted almond slices.