Thinly slice baguette on the diagonal; you should have around 16–18 slices. Lightly brush slices with oil and place on Sheet Pan. Bake for 2–3 min per side, or until golden.
Meanwhile, in bowl, combine cream cheese, grated cheese, and mayonnaise with dip mixes.
Remove crostini from oven; spread with cheese mixture. Return to oven and broil until bubbly, 1–2 min.
Per serving: Calories 100, Fat 10 g (Saturated 3 g, 0 0 g), Cholesterol 10 mg, Sodium 105 mg, Carbohydrate 1 g (Fiber 0 g, Sugars 0 g), Protein 2 g.
Tips
Prep toasts up to 2 days before serving. Store in an air-tight container in a cool place. Refrigerate dip mixture up to 3 days; mixture will thicken as is sits—stir in a little milk or water to thin, if needed.