Melt butter in a large nonstick skillet over medium-high heat. Add garlic and red pepper; sauté 30 seconds. Remove from heat; stir in bread cubes until evenly coated.
Spread bread cubes in an even layer on a lightly greased aluminum foil-lined jelly-roll pan.
Bake at 300° for 20 to 25 minutes or until browned and crisp, stirring occasionally. Spread in a single layer on wax paper to cool completely. Store in an airtight container up to 1 week.
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